157803240 has 64 divisors (see below), whose sum is σ = 541042560. Its totient is φ = 36069120.

The previous prime is 157803209. The next prime is 157803271. The reversal of 157803240 is 42308751.

157803240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (157803209) and next prime (157803271).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 157803198 and 157803207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93091 + ... + 94770.

It is an arithmetic number, because the mean of its divisors is an integer number (8453790).

Almost surely, 2^157803240 is an apocalyptic number.

157803240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157803240 is an abundant number, since it is smaller than the sum of its proper divisors (383239320).

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

157803240 is a wasteful number, since it uses less digits than its factorization.

157803240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187882 (or 187878 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 157803240 is about 12561.9759592192. The cubic root of 157803240 is about 540.3875133424.

The spelling of 157803240 in words is "one hundred fifty-seven million, eight hundred three thousand, two hundred forty".