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145112300 = 22521451123
BaseRepresentation
bin10001010011000…
…11110011101100
3101010001110122122
420221203303230
5244122043200
622222132112
73411301634
oct1051436354
9333043578
10145112300
1174a04023
1240721038
13240aa288
14153b56c4
15cb16385
hex8a63cec

145112300 has 18 divisors (see below), whose sum is σ = 314893908. Its totient is φ = 58044880.

The previous prime is 145112287. The next prime is 145112309. The reversal of 145112300 is 3211541.

145112300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1451123002 = 42115159222580000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145112309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725462 + ... + 725661.

It is an arithmetic number, because the mean of its divisors is an integer number (17494106).

Almost surely, 2145112300 is an apocalyptic number.

145112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145112300 is an abundant number, since it is smaller than the sum of its proper divisors (169781608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145112300 is a wasteful number, since it uses less digits than its factorization.

145112300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451137 (or 1451130 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 145112300 is about 12046.2566799815. The cubic root of 145112300 is about 525.4943793583.

Adding to 145112300 its reverse (3211541), we get a palindrome (148323841).

The spelling of 145112300 in words is "one hundred forty-five million, one hundred twelve thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1451123 2902246 5804492 7255615 14511230 29022460 36278075 72556150 145112300