151649572 has 12 divisors (see below), whose sum is σ = 265475980. Its totient is φ = 75799296.

The previous prime is 151649521. The next prime is 151649573. The reversal of 151649572 is 275946151.

It can be written as a sum of positive squares in 2 ways, for example, as 35354916 + 116294656 = 5946^2 + 10784^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (151649573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14908 + ... + 22924.

Almost surely, 2^151649572 is an apocalyptic number.

It is an amenable number.

151649572 is a deficient number, since it is larger than the sum of its proper divisors (113826408).

151649572 is a wasteful number, since it uses less digits than its factorization.

151649572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12750 (or 12748 counting only the distinct ones).

The product of its digits is 75600, while the sum is 40.

The square root of 151649572 is about 12314.6080733412. The cubic root of 151649572 is about 533.2698901964.

The spelling of 151649572 in words is "one hundred fifty-one million, six hundred forty-nine thousand, five hundred seventy-two".