157428598 has 4 divisors (see below), whose sum is σ = 236142900. Its totient is φ = 78714298.

The previous prime is 157428589. The next prime is 157428611. The reversal of 157428598 is 895824751.

It is a happy number.

157428598 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39357148 + ... + 39357151.

It is an arithmetic number, because the mean of its divisors is an integer number (59035725).

Almost surely, 2^157428598 is an apocalyptic number.

157428598 is a deficient number, since it is larger than the sum of its proper divisors (78714302).

157428598 is an equidigital number, since it uses as much as digits as its factorization.

157428598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78714301.

The product of its digits is 806400, while the sum is 49.

The square root of 157428598 is about 12547.0553517548. The cubic root of 157428598 is about 539.9595282883.

The spelling of 157428598 in words is "one hundred fifty-seven million, four hundred twenty-eight thousand, five hundred ninety-eight".