157932198 has 12 divisors (see below), whose sum is σ = 342186468. Its totient is φ = 52644060.

The previous prime is 157932157. The next prime is 157932239. The reversal of 157932198 is 891239751.

It is an interprime number because it is at equal distance from previous prime (157932157) and next prime (157932239).

It is a super-2 number, since 2×157932198² = 49885158330222408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4386988 + ... + 4387023.

It is an arithmetic number, because the mean of its divisors is an integer number (28515539).

Almost surely, 2^157932198 is an apocalyptic number.

157932198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157932198 is an abundant number, since it is smaller than the sum of its proper divisors (184254270).

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

157932198 is a wasteful number, since it uses less digits than its factorization.

157932198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8774019 (or 8774016 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 157932198 is about 12567.1077818247. The cubic root of 157932198 is about 540.5346761817.

The spelling of 157932198 in words is "one hundred fifty-seven million, nine hundred thirty-two thousand, one hundred ninety-eight".