157458870 has 32 divisors (see below), whose sum is σ = 419891040. Its totient is φ = 41988960.

The previous prime is 157458863. The next prime is 157458877. The reversal of 157458870 is 78854751.

It is a happy number.

157458870 is a `hidden beast` number, since 1 + 574 + 5 + 8 + 8 + 70 = 666.

It is an interprime number because it is at equal distance from previous prime (157458863) and next prime (157458877).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157458877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291321 + ... + 291860.

It is an arithmetic number, because the mean of its divisors is an integer number (13121595).

Almost surely, 2^157458870 is an apocalyptic number.

157458870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157458870 is an abundant number, since it is smaller than the sum of its proper divisors (262432170).

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

157458870 is a wasteful number, since it uses less digits than its factorization.

157458870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583197 (or 583191 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 157458870 is about 12548.2616325928. The cubic root of 157458870 is about 539.9941357388.

The spelling of 157458870 in words is "one hundred fifty-seven million, four hundred fifty-eight thousand, eight hundred seventy".