151727272 has 8 divisors (see below), whose sum is σ = 284488650. Its totient is φ = 75863632.

The previous prime is 151727249. The next prime is 151727273. The reversal of 151727272 is 272727151.

It can be written as a sum of positive squares in only one way, i.e., 94361796 + 57365476 = 9714^2 + 7574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (151727273) by changing a digit.

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 as a sum of consecutive naturals, namely, 9482947 + ... + 9482962.

Almost surely, 2^151727272 is an apocalyptic number.

It is an amenable number.

151727272 is a deficient number, since it is larger than the sum of its proper divisors (132761378).

151727272 is a wasteful number, since it uses less digits than its factorization.

151727272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965915 (or 18965911 counting only the distinct ones).

The product of its digits is 13720, while the sum is 34.

The square root of 151727272 is about 12317.7624591482. The cubic root of 151727272 is about 533.3609510004.

The spelling of 151727272 in words is "one hundred fifty-one million, seven hundred twenty-seven thousand, two hundred seventy-two".