157432998 has 8 divisors (see below), whose sum is σ = 314866008. Its totient is φ = 52477664.

The previous prime is 157432991. The next prime is 157433011. The reversal of 157432998 is 899234751.

157432998 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

157432998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157432991) 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, 13119411 + ... + 13119422.

It is an arithmetic number, because the mean of its divisors is an integer number (39358251).

Almost surely, 2^157432998 is an apocalyptic number.

157432998 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.

157432998 is a wasteful number, since it uses less digits than its factorization.

157432998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26238838.

The product of its digits is 544320, while the sum is 48.

The square root of 157432998 is about 12547.2306904751. The cubic root of 157432998 is about 539.9645587165.

The spelling of 157432998 in words is "one hundred fifty-seven million, four hundred thirty-two thousand, nine hundred ninety-eight".