152915445 has 40 divisors (see below), whose sum is σ = 280831320. Its totient is φ = 79557120.

The previous prime is 152915443. The next prime is 152915479. The reversal of 152915445 is 544519251.

It can be written as a sum of positive squares in 4 ways, for example, as 3538161 + 149377284 = 1881^2 + 12222^2 .

It is not a de Polignac number, because 152915445 - 2¹ = 152915443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152915443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12001 + ... + 21209.

It is an arithmetic number, because the mean of its divisors is an integer number (7020783).

Almost surely, 2^152915445 is an apocalyptic number.

152915445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

152915445 is a deficient number, since it is larger than the sum of its proper divisors (127915875).

152915445 is an equidigital number, since it uses as much as digits as its factorization.

152915445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9267 (or 9258 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 152915445 is about 12365.8984711989. The cubic root of 152915445 is about 534.7495785538.

It can be divided in two parts, 15291 and 5445, that added together give a 4-th power (20736 = 12⁴).

The spelling of 152915445 in words is "one hundred fifty-two million, nine hundred fifteen thousand, four hundred forty-five".