157843812 has 48 divisors (see below), whose sum is σ = 426699392. Its totient is φ = 44478720.

The previous prime is 157843801. The next prime is 157843823. The reversal of 157843812 is 218348751.

It is an interprime number because it is at equal distance from previous prime (157843801) and next prime (157843823).

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, 6739 + ... + 19002.

Almost surely, 2^157843812 is an apocalyptic number.

157843812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157843812 is an abundant number, since it is smaller than the sum of its proper divisors (268855580).

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

157843812 is a wasteful number, since it uses less digits than its factorization.

157843812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25828 (or 25826 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 157843812 is about 12563.5907287686. The cubic root of 157843812 is about 540.4338214822.

The spelling of 157843812 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, eight hundred twelve".