151555025 has 12 divisors (see below), whose sum is σ = 191928192. Its totient is φ = 118663440.

The previous prime is 151555021. The next prime is 151555057. The reversal of 151555025 is 520555151.

It is not a de Polignac number, because 151555025 - 2² = 151555021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151555021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63317 + ... + 65666.

It is an arithmetic number, because the mean of its divisors is an integer number (15994016).

Almost surely, 2^151555025 is an apocalyptic number.

It is an amenable number.

151555025 is a deficient number, since it is larger than the sum of its proper divisors (40373167).

151555025 is a wasteful number, since it uses less digits than its factorization.

151555025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129040 (or 129035 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 151555025 is about 12310.7686599984. The cubic root of 151555025 is about 533.1590435269.

The spelling of 151555025 in words is "one hundred fifty-one million, five hundred fifty-five thousand, twenty-five".