157647044 has 6 divisors (see below), whose sum is σ = 275882334. Its totient is φ = 78823520.

The previous prime is 157647011. The next prime is 157647053. The reversal of 157647044 is 440746751.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 72454144 = 9230^2 + 8512^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157646989 and 157647007.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19705877 + ... + 19705884.

It is an arithmetic number, because the mean of its divisors is an integer number (45980389).

Almost surely, 2^157647044 is an apocalyptic number.

It is an amenable number.

157647044 is a deficient number, since it is larger than the sum of its proper divisors (118235290).

157647044 is a wasteful number, since it uses less digits than its factorization.

157647044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39411765 (or 39411763 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 157647044 is about 12555.7574044739. The cubic root of 157647044 is about 540.2091599443.

The spelling of 157647044 in words is "one hundred fifty-seven million, six hundred forty-seven thousand, forty-four".