157428474 has 48 divisors (see below), whose sum is σ = 374087808. Its totient is φ = 44018688.

The previous prime is 157428463. The next prime is 157428499. The reversal of 157428474 is 474824751.

157428474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8122 + ... + 19514.

It is an arithmetic number, because the mean of its divisors is an integer number (7793496).

Almost surely, 2^157428474 is an apocalyptic number.

157428474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157428474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187043904).

157428474 is an abundant number, since it is smaller than the sum of its proper divisors (216659334).

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

157428474 is a wasteful number, since it uses less digits than its factorization.

157428474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11459 (or 11452 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The square root of 157428474 is about 12547.0504103554. The cubic root of 157428474 is about 539.9593865203.

The spelling of 157428474 in words is "one hundred fifty-seven million, four hundred twenty-eight thousand, four hundred seventy-four".