157440700 has 36 divisors (see below), whose sum is σ = 345189712. Its totient is φ = 62323200.

The previous prime is 157440677. The next prime is 157440737. The reversal of 157440700 is 7044751.

157440700 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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1585 + ... + 17815.

Almost surely, 2^157440700 is an apocalyptic number.

157440700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157440700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172594856).

157440700 is an abundant number, since it is smaller than the sum of its proper divisors (187749012).

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

157440700 is a wasteful number, since it uses less digits than its factorization.

157440700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16342 (or 16335 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 157440700 is about 12547.5376070367. The cubic root of 157440700 is about 539.9733640268.

The spelling of 157440700 in words is "one hundred fifty-seven million, four hundred forty thousand, seven hundred".