157494128 has 80 divisors (see below), whose sum is σ = 350870400. Its totient is φ = 67818240.

The previous prime is 157494109. The next prime is 157494143. The reversal of 157494128 is 821494751.

Its product of digits (80640) is a multiple of the sum of its prime factors (630).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 300875 + ... + 301397.

It is an arithmetic number, because the mean of its divisors is an integer number (4385880).

Almost surely, 2^157494128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157494128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175435200).

157494128 is an abundant number, since it is smaller than the sum of its proper divisors (193376272).

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

157494128 is a wasteful number, since it uses less digits than its factorization.

157494128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 624 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 157494128 is about 12549.6664497508. Note that the first 3 decimals coincide. The cubic root of 157494128 is about 540.0344376757.

The spelling of 157494128 in words is "one hundred fifty-seven million, four hundred ninety-four thousand, one hundred twenty-eight".