157248018 has 12 divisors (see below), whose sum is σ = 340704078. Its totient is φ = 52416000.

The previous prime is 157248017. The next prime is 157248023. The reversal of 157248018 is 810842751.

157248018 is a `hidden beast` number, since 1 + 572 + 4 + 80 + 1 + 8 = 666.

157248018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139074849 + 18173169 = 11793^2 + 4263^2 .

It is not an unprimeable number, because it can be changed into a prime (157248017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4367983 + ... + 4368018.

Almost surely, 2^157248018 is an apocalyptic number.

157248018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157248018 is an abundant number, since it is smaller than the sum of its proper divisors (183456060).

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

157248018 is a wasteful number, since it uses less digits than its factorization.

157248018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736009 (or 8736006 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 157248018 is about 12539.8571762202. The cubic root of 157248018 is about 539.7529940280.

The spelling of 157248018 in words is "one hundred fifty-seven million, two hundred forty-eight thousand, eighteen".