152215756 has 72 divisors (see below), whose sum is σ = 358008336. Its totient is φ = 55802880.

The previous prime is 152215753. The next prime is 152215781. The reversal of 152215756 is 657512251.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (152215753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34576 + ... + 38728.

It is an arithmetic number, because the mean of its divisors is an integer number (4972338).

Almost surely, 2^152215756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152215756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179004168).

152215756 is an abundant number, since it is smaller than the sum of its proper divisors (205792580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152215756 is a wasteful number, since it uses less digits than its factorization.

152215756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199 (or 4190 counting only the distinct ones).

The product of its digits is 21000, while the sum is 34.

The square root of 152215756 is about 12337.5749643113. The cubic root of 152215756 is about 533.9327207433.

The spelling of 152215756 in words is "one hundred fifty-two million, two hundred fifteen thousand, seven hundred fifty-six".