151522945 has 24 divisors (see below), whose sum is σ = 213921000. Its totient is φ = 102719232.

The previous prime is 151522937. The next prime is 151522957. The reversal of 151522945 is 549225151.

It can be written as a sum of positive squares in 4 ways, for example, as 19571776 + 131951169 = 4424^2 + 11487^2 .

It is not a de Polignac number, because 151522945 - 2³ = 151522937 is a prime.

It is a super-2 number, since 2×151522945² = 45918405722946050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151522945.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18331 + ... + 25279.

It is an arithmetic number, because the mean of its divisors is an integer number (8913375).

Almost surely, 2^151522945 is an apocalyptic number.

It is an amenable number.

151522945 is a deficient number, since it is larger than the sum of its proper divisors (62398055).

151522945 is an equidigital number, since it uses as much as digits as its factorization.

151522945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7057 (or 7050 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 151522945 is about 12309.4656667136. The cubic root of 151522945 is about 533.1214225395.

The spelling of 151522945 in words is "one hundred fifty-one million, five hundred twenty-two thousand, nine hundred forty-five".