157545736 has 8 divisors (see below), whose sum is σ = 295398270. Its totient is φ = 78772864.

The previous prime is 157545727. The next prime is 157545757. The reversal of 157545736 is 637545751.

It can be written as a sum of positive squares in only one way, i.e., 139004100 + 18541636 = 11790^2 + 4306^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 157545692 and 157545701.

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, 9846601 + ... + 9846616.

Almost surely, 2^157545736 is an apocalyptic number.

It is an amenable number.

157545736 is a deficient number, since it is larger than the sum of its proper divisors (137852534).

157545736 is a wasteful number, since it uses less digits than its factorization.

157545736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19693223 (or 19693219 counting only the distinct ones).

The product of its digits is 441000, while the sum is 43.

The square root of 157545736 is about 12551.7224316028. The cubic root of 157545736 is about 540.0934177659.

The spelling of 157545736 in words is "one hundred fifty-seven million, five hundred forty-five thousand, seven hundred thirty-six".