151625985 has 32 divisors (see below), whose sum is σ = 291855360. Its totient is φ = 65665728.

The previous prime is 151625939. The next prime is 151625987. The reversal of 151625985 is 589526151.

It is a happy number.

It is not a de Polignac number, because 151625985 - 2¹³ = 151617793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151625987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36007 + ... + 39996.

It is an arithmetic number, because the mean of its divisors is an integer number (9120480).

Almost surely, 2^151625985 is an apocalyptic number.

151625985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151625985 is a deficient number, since it is larger than the sum of its proper divisors (140229375).

151625985 is a wasteful number, since it uses less digits than its factorization.

151625985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76037.

The product of its digits is 108000, while the sum is 42.

The square root of 151625985 is about 12313.6503523529. The cubic root of 151625985 is about 533.2422411700.

The spelling of 151625985 in words is "one hundred fifty-one million, six hundred twenty-five thousand, nine hundred eighty-five".