157843852 has 6 divisors (see below), whose sum is σ = 276226748. Its totient is φ = 78921924.

The previous prime is 157843823. The next prime is 157843853. The reversal of 157843852 is 258348751.

It is a super-2 number, since 2×157843852² = 49829363228395808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157843799 and 157843808.

It is not an unprimeable number, because it can be changed into a prime (157843853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19730478 + ... + 19730485.

Almost surely, 2^157843852 is an apocalyptic number.

It is an amenable number.

157843852 is a deficient number, since it is larger than the sum of its proper divisors (118382896).

157843852 is a wasteful number, since it uses less digits than its factorization.

157843852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39460967 (or 39460965 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 157843852 is about 12563.5923206701. The cubic root of 157843852 is about 540.4338671335.

The spelling of 157843852 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, eight hundred fifty-two".