159157772 has 6 divisors (see below), whose sum is σ = 278526108. Its totient is φ = 79578884.

The previous prime is 159157759. The next prime is 159157783. The reversal of 159157772 is 277751951.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 19894718 + ... + 19894725.

It is an arithmetic number, because the mean of its divisors is an integer number (46421018).

Almost surely, 2^159157772 is an apocalyptic number.

It is an amenable number.

159157772 is a deficient number, since it is larger than the sum of its proper divisors (119368336).

159157772 is a wasteful number, since it uses less digits than its factorization.

159157772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39789447 (or 39789445 counting only the distinct ones).

The product of its digits is 154350, while the sum is 44.

The square root of 159157772 is about 12615.7747284897. The cubic root of 159157772 is about 541.9292809516.

The spelling of 159157772 in words is "one hundred fifty-nine million, one hundred fifty-seven thousand, seven hundred seventy-two".