157413377242 has 24 divisors (see below), whose sum is σ = 274803817428. Its totient is φ = 67342619520.

The previous prime is 157413377203. The next prime is 157413377243. The reversal of 157413377242 is 242773314751.

It can be written as a sum of positive squares in 2 ways, for example, as 153428106601 + 3985270641 = 391699^2 + 63129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 157413377192 and 157413377201.

It is not an unprimeable number, because it can be changed into a prime (157413377243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19127313 + ... + 19135540.

Almost surely, 2^157413377242 is an apocalyptic number.

157413377242 is a deficient number, since it is larger than the sum of its proper divisors (117390440186).

157413377242 is a wasteful number, since it uses less digits than its factorization.

157413377242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38262894 (or 38262883 counting only the distinct ones).

The product of its digits is 987840, while the sum is 46.

The spelling of 157413377242 in words is "one hundred fifty-seven billion, four hundred thirteen million, three hundred seventy-seven thousand, two hundred forty-two".