145453300 has 18 divisors (see below), whose sum is σ = 315633878. Its totient is φ = 58181280.

The previous prime is 145453169. The next prime is 145453307. The reversal of 145453300 is 3354541.

145453300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 18079504 + 127373796 = 4252^2 + 11286^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145453307) 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, 727167 + ... + 727366.

Almost surely, 2^145453300 is an apocalyptic number.

145453300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145453300 is an abundant number, since it is smaller than the sum of its proper divisors (170180578).

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

145453300 is a wasteful number, since it uses less digits than its factorization.

145453300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454547 (or 1454540 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 145453300 is about 12060.4021491823. The cubic root of 145453300 is about 525.9056778348.

The spelling of 145453300 in words is "one hundred forty-five million, four hundred fifty-three thousand, three hundred".