157581948 has 24 divisors (see below), whose sum is σ = 368378752. Its totient is φ = 52429104.

The previous prime is 157581913. The next prime is 157581967. The reversal of 157581948 is 849185751.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 157581897 and 157581906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5440 + ... + 18567.

Almost surely, 2^157581948 is an apocalyptic number.

It is an amenable number.

157581948 is an abundant number, since it is smaller than the sum of its proper divisors (210796804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157581948 is a wasteful number, since it uses less digits than its factorization.

157581948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24561 (or 24559 counting only the distinct ones).

The product of its digits is 403200, while the sum is 48.

The square root of 157581948 is about 12553.1648599068. The cubic root of 157581948 is about 540.1347948819.

The spelling of 157581948 in words is "one hundred fifty-seven million, five hundred eighty-one thousand, nine hundred forty-eight".