157514906 has 8 divisors (see below), whose sum is σ = 243894144. Its totient is φ = 76216860.

The previous prime is 157514893. The next prime is 157514909. The reversal of 157514906 is 609415751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×157514906² = 49621891224377672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157514906.

It is not an unprimeable number, because it can be changed into a prime (157514909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270220 + ... + 1270343.

It is an arithmetic number, because the mean of its divisors is an integer number (30486768).

Almost surely, 2^157514906 is an apocalyptic number.

157514906 is a deficient number, since it is larger than the sum of its proper divisors (86379238).

157514906 is a wasteful number, since it uses less digits than its factorization.

157514906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540596.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 157514906 is about 12550.4942532157. The cubic root of 157514906 is about 540.0581853169.

The spelling of 157514906 in words is "one hundred fifty-seven million, five hundred fourteen thousand, nine hundred six".