151017992 has 8 divisors (see below), whose sum is σ = 283158750. Its totient is φ = 75508992.

The previous prime is 151017991. The next prime is 151018001. The reversal of 151017992 is 299710151.

It can be written as a sum of positive squares in only one way, i.e., 150160516 + 857476 = 12254^2 + 926^2 .

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 (151017991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9438617 + ... + 9438632.

Almost surely, 2^151017992 is an apocalyptic number.

It is an amenable number.

151017992 is a deficient number, since it is larger than the sum of its proper divisors (132140758).

151017992 is a wasteful number, since it uses less digits than its factorization.

151017992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18877255 (or 18877251 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 35.

The square root of 151017992 is about 12288.9377897359. The cubic root of 151017992 is about 532.5285511520.

The spelling of 151017992 in words is "one hundred fifty-one million, seventeen thousand, nine hundred ninety-two".