157245741 has 24 divisors (see below), whose sum is σ = 231338016. Its totient is φ = 102906720.

The previous prime is 157245721. The next prime is 157245749. The reversal of 157245741 is 147542751.

157245741 is a `hidden beast` number, since 1 + 572 + 45 + 7 + 41 = 666.

It is not a de Polignac number, because 157245741 - 2⁹ = 157245229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157245696 and 157245705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157245749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134626 + ... + 135788.

It is an arithmetic number, because the mean of its divisors is an integer number (9639084).

Almost surely, 2^157245741 is an apocalyptic number.

It is an amenable number.

157245741 is a deficient number, since it is larger than the sum of its proper divisors (74092275).

157245741 is a wasteful number, since it uses less digits than its factorization.

157245741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1430 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 157245741 is about 12539.7663853837. The cubic root of 157245741 is about 539.7503887519.

The spelling of 157245741 in words is "one hundred fifty-seven million, two hundred forty-five thousand, seven hundred forty-one".