157242648 has 32 divisors (see below), whose sum is σ = 394254000. Its totient is φ = 52261248.

The previous prime is 157242647. The next prime is 157242653. The reversal of 157242648 is 846242751.

157242648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157242643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011 + ... + 17762.

Almost surely, 2^157242648 is an apocalyptic number.

It is an amenable number.

157242648 is an abundant number, since it is smaller than the sum of its proper divisors (237011352).

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

157242648 is a wasteful number, since it uses less digits than its factorization.

157242648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19131 (or 19127 counting only the distinct ones).

The product of its digits is 107520, while the sum is 39.

The square root of 157242648 is about 12539.6430571209. The cubic root of 157242648 is about 539.7468497925.

The spelling of 157242648 in words is "one hundred fifty-seven million, two hundred forty-two thousand, six hundred forty-eight".