157840970 has 16 divisors (see below), whose sum is σ = 324701568. Its totient is φ = 54116880.

The previous prime is 157840967. The next prime is 157840979. The reversal of 157840970 is 79048751.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (157840979) 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 7 ways as a sum of consecutive naturals, for example, 1127366 + ... + 1127505.

It is an arithmetic number, because the mean of its divisors is an integer number (20293848).

Almost surely, 2^157840970 is an apocalyptic number.

157840970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157840970 is an abundant number, since it is smaller than the sum of its proper divisors (166860598).

157840970 is a wasteful number, since it uses less digits than its factorization.

157840970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254885.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 157840970 is about 12563.4776236518. The cubic root of 157840970 is about 540.4305779338.

The spelling of 157840970 in words is "one hundred fifty-seven million, eight hundred forty thousand, nine hundred seventy".