157843450 has 24 divisors (see below), whose sum is σ = 309042720. Its totient is φ = 59814000.

The previous prime is 157843421. The next prime is 157843463. The reversal of 157843450 is 54348751.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82126 + ... + 84025.

It is an arithmetic number, because the mean of its divisors is an integer number (12876780).

Almost surely, 2^157843450 is an apocalyptic number.

157843450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157843450 is a deficient number, since it is larger than the sum of its proper divisors (151199270).

157843450 is a wasteful number, since it uses less digits than its factorization.

157843450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166182 (or 166177 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 157843450 is about 12563.5763220510. The cubic root of 157843450 is about 540.4334083371.

The spelling of 157843450 in words is "one hundred fifty-seven million, eight hundred forty-three thousand, four hundred fifty".