157837243 has 8 divisors (see below), whose sum is σ = 159181056. Its totient is φ = 156499200.

The previous prime is 157837223. The next prime is 157837259. The reversal of 157837243 is 342738751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157837243 - 2²⁵ = 124282811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157837196 and 157837205.

It is not an unprimeable number, because it can be changed into a prime (157837223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66253 + ... + 68593.

It is an arithmetic number, because the mean of its divisors is an integer number (19897632).

Almost surely, 2^157837243 is an apocalyptic number.

157837243 is a deficient number, since it is larger than the sum of its proper divisors (1343813).

157837243 is a wasteful number, since it uses less digits than its factorization.

157837243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885.

The product of its digits is 141120, while the sum is 40.

The square root of 157837243 is about 12563.3292960107. The cubic root of 157837243 is about 540.4263242840.

The spelling of 157837243 in words is "one hundred fifty-seven million, eight hundred thirty-seven thousand, two hundred forty-three".