151156521 has 12 divisors (see below), whose sum is σ = 218791872. Its totient is φ = 100561176.

The previous prime is 151156519. The next prime is 151156531. The reversal of 151156521 is 125651151.

151156521 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 5 + 652 + 1 = 666.

It is not a de Polignac number, because 151156521 - 2¹ = 151156519 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (151156531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12861 + ... + 21626.

It is an arithmetic number, because the mean of its divisors is an integer number (18232656).

Almost surely, 2^151156521 is an apocalyptic number.

It is an amenable number.

151156521 is a deficient number, since it is larger than the sum of its proper divisors (67635351).

151156521 is a wasteful number, since it uses less digits than its factorization.

151156521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34980 (or 34977 counting only the distinct ones).

The product of its digits is 1500, while the sum is 27.

The square root of 151156521 is about 12294.5728270648. The cubic root of 151156521 is about 532.6913310996.

The spelling of 151156521 in words is "one hundred fifty-one million, one hundred fifty-six thousand, five hundred twenty-one".