157450842 has 24 divisors (see below), whose sum is σ = 341380416. Its totient is φ = 52447176.

The previous prime is 157450841. The next prime is 157450849. The reversal of 157450842 is 248054751.

157450842 is a `hidden beast` number, since 1 + 574 + 5 + 0 + 84 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 157450797 and 157450806.

It is not an unprimeable number, because it can be changed into a prime (157450841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40383 + ... + 44109.

It is an arithmetic number, because the mean of its divisors is an integer number (14224184).

Almost surely, 2^157450842 is an apocalyptic number.

157450842 is an abundant number, since it is smaller than the sum of its proper divisors (183929574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157450842 is a wasteful number, since it uses less digits than its factorization.

157450842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6082 (or 6079 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 157450842 is about 12547.9417435689. The cubic root of 157450842 is about 539.9849584288.

The spelling of 157450842 in words is "one hundred fifty-seven million, four hundred fifty thousand, eight hundred forty-two".