157343274 has 48 divisors (see below), whose sum is σ = 374643360. Its totient is φ = 47328480.

The previous prime is 157343261. The next prime is 157343341. The reversal of 157343274 is 472343751.

157343274 is a `hidden beast` number, since 157 + 3 + 432 + 74 = 666.

157343274 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 in 23 ways as a sum of consecutive naturals, for example, 24664 + ... + 30380.

It is an arithmetic number, because the mean of its divisors is an integer number (7805070).

Almost surely, 2^157343274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157343274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187321680).

157343274 is an abundant number, since it is smaller than the sum of its proper divisors (217300086).

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

157343274 is a wasteful number, since it uses less digits than its factorization.

157343274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5875 (or 5872 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 157343274 is about 12543.6547305799. The cubic root of 157343274 is about 539.8619606010.

The spelling of 157343274 in words is "one hundred fifty-seven million, three hundred forty-three thousand, two hundred seventy-four".