152781412 has 36 divisors (see below), whose sum is σ = 311777004. Its totient is φ = 65318400.

The previous prime is 152781407. The next prime is 152781437. The reversal of 152781412 is 214187251.

It can be written as a sum of positive squares in 2 ways, for example, as 144624676 + 8156736 = 12026^2 + 2856^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117148 + ... + 118444.

Almost surely, 2^152781412 is an apocalyptic number.

It is an amenable number.

152781412 is an abundant number, since it is smaller than the sum of its proper divisors (158995592).

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

152781412 is a wasteful number, since it uses less digits than its factorization.

152781412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1907 counting only the distinct ones).

The product of its digits is 4480, while the sum is 31.

The square root of 152781412 is about 12360.4778224792. The cubic root of 152781412 is about 534.5932938357.

The spelling of 152781412 in words is "one hundred fifty-two million, seven hundred eighty-one thousand, four hundred twelve".