157241249 has 8 divisors (see below), whose sum is σ = 171682848. Its totient is φ = 142824160.

The previous prime is 157241237. The next prime is 157241251. The reversal of 157241249 is 942142751.

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 157241249 - 2⁴ = 157241233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157246249) 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, 8909 + ... + 19845.

It is an arithmetic number, because the mean of its divisors is an integer number (21460356).

Almost surely, 2^157241249 is an apocalyptic number.

It is an amenable number.

157241249 is a deficient number, since it is larger than the sum of its proper divisors (14441599).

157241249 is a wasteful number, since it uses less digits than its factorization.

157241249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255.

The product of its digits is 20160, while the sum is 35.

The square root of 157241249 is about 12539.5872739098. The cubic root of 157241249 is about 539.7452490646.

The spelling of 157241249 in words is "one hundred fifty-seven million, two hundred forty-one thousand, two hundred forty-nine".