157402398 has 8 divisors (see below), whose sum is σ = 314804808. Its totient is φ = 52467464.

The previous prime is 157402393. The next prime is 157402411. The reversal of 157402398 is 893204751.

It is a sphenic number, since it is the product of 3 distinct primes.

157402398 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157402393) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13116861 + ... + 13116872.

It is an arithmetic number, because the mean of its divisors is an integer number (39350601).

Almost surely, 2^157402398 is an apocalyptic number.

157402398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157402398 is a wasteful number, since it uses less digits than its factorization.

157402398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26233738.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 157402398 is about 12546.0112386368. The cubic root of 157402398 is about 539.9295724338.

The spelling of 157402398 in words is "one hundred fifty-seven million, four hundred two thousand, three hundred ninety-eight".