151015557 has 32 divisors (see below), whose sum is σ = 259706880. Its totient is φ = 75741120.

The previous prime is 151015549. The next prime is 151015583. The reversal of 151015557 is 755510151.

It is not a de Polignac number, because 151015557 - 2³ = 151015549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151015547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4573 + ... + 17970.

It is an arithmetic number, because the mean of its divisors is an integer number (8115840).

Almost surely, 2^151015557 is an apocalyptic number.

It is an amenable number.

151015557 is a deficient number, since it is larger than the sum of its proper divisors (108691323).

151015557 is a wasteful number, since it uses less digits than its factorization.

151015557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22593.

The product of its (nonzero) digits is 4375, while the sum is 30.

The square root of 151015557 is about 12288.8387164939. The cubic root of 151015557 is about 532.5256889897.

The spelling of 151015557 in words is "one hundred fifty-one million, fifteen thousand, five hundred fifty-seven".