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145351245 = 3513745391
BaseRepresentation
bin10001010100111…
…10001001001101
3101010111121102110
420222132021031
5244202214440
622231214233
73413315364
oct1052361115
9333447373
10145351245
11750575a6
1240817379
1324161c70
14154387db
15cb62080
hex8a9e24d

145351245 has 16 divisors (see below), whose sum is σ = 250451712. Its totient is φ = 71557440.

The previous prime is 145351243. The next prime is 145351247. The reversal of 145351245 is 542153541.

It is an interprime number because it is at equal distance from previous prime (145351243) and next prime (145351247).

It is not a de Polignac number, because 145351245 - 21 = 145351243 is a prime.

It is a super-2 number, since 2×1453512452 = 42253968846100050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145351243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372501 + ... + 372890.

It is an arithmetic number, because the mean of its divisors is an integer number (15653232).

Almost surely, 2145351245 is an apocalyptic number.

145351245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145351245 is a deficient number, since it is larger than the sum of its proper divisors (105100467).

145351245 is a wasteful number, since it uses less digits than its factorization.

145351245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745412.

The product of its digits is 12000, while the sum is 30.

The square root of 145351245 is about 12056.1704118679. The cubic root of 145351245 is about 525.7826512657.

The spelling of 145351245 in words is "one hundred forty-five million, three hundred fifty-one thousand, two hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 745391 2236173 3726955 9690083 11180865 29070249 48450415 145351245