152520772 has 6 divisors (see below), whose sum is σ = 266911358. Its totient is φ = 76260384.

The previous prime is 152520737. The next prime is 152520793. The reversal of 152520772 is 277025251.

It can be written as a sum of positive squares in only one way, i.e., 143664196 + 8856576 = 11986^2 + 2976^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19065093 + ... + 19065100.

Almost surely, 2^152520772 is an apocalyptic number.

It is an amenable number.

152520772 is a deficient number, since it is larger than the sum of its proper divisors (114390586).

152520772 is a wasteful number, since it uses less digits than its factorization.

152520772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38130197 (or 38130195 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 152520772 is about 12349.9300402877. The cubic root of 152520772 is about 534.2891213497.

The spelling of 152520772 in words is "one hundred fifty-two million, five hundred twenty thousand, seven hundred seventy-two".