157848442 has 32 divisors (see below), whose sum is σ = 251475840. Its totient is φ = 74215680.

The previous prime is 157848389. The next prime is 157848461. The reversal of 157848442 is 244848751.

157848442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×157848442² = 49832261283654728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313563 + ... + 314065.

It is an arithmetic number, because the mean of its divisors is an integer number (7858620).

Almost surely, 2^157848442 is an apocalyptic number.

157848442 is a deficient number, since it is larger than the sum of its proper divisors (93627398).

157848442 is a wasteful number, since it uses less digits than its factorization.

157848442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its digits is 286720, while the sum is 43.

The square root of 157848442 is about 12563.7749900259. The cubic root of 157848442 is about 540.4391055751.

The spelling of 157848442 in words is "one hundred fifty-seven million, eight hundred forty-eight thousand, four hundred forty-two".