151905625 has 45 divisors (see below), whose sum is σ = 208837057. Its totient is φ = 110432000.

The previous prime is 151905619. The next prime is 151905631. The reversal of 151905625 is 526509151.

The square root of 151905625 is 12325.

It is a perfect power (a square), and thus also a powerful number.

151905625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (151905619) and next prime (151905631).

It can be written as a sum of positive squares in 22 ways, for example, as 151708489 + 197136 = 12317^2 + 444^2 .

It is not a de Polignac number, because 151905625 - 2⁹ = 151905113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5238111 + ... + 5238139.

Almost surely, 2^151905625 is an apocalyptic number.

151905625 is the 12325-th square number.

151905625 is the 6163-rd centered octagonal number.

It is an amenable number.

151905625 is a deficient number, since it is larger than the sum of its proper divisors (56931432).

151905625 is an frugal number, since it uses more digits than its factorization.

151905625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

The cubic root of 151905625 is about 533.5698549448.

The spelling of 151905625 in words is "one hundred fifty-one million, nine hundred five thousand, six hundred twenty-five".