14157581474 has 8 divisors (see below), whose sum is σ = 21446633628. Its totient is φ = 7008703600.

The previous prime is 14157581447. The next prime is 14157581491. The reversal of 14157581474 is 47418575141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14147437249 + 10144225 = 118943^2 + 3185^2 .

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

It is a super-2 number, since 2×14157581474² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35043317 + ... + 35043720.

Almost surely, 2^14157581474 is an apocalyptic number.

14157581474 is a deficient number, since it is larger than the sum of its proper divisors (7289052154).

14157581474 is a wasteful number, since it uses less digits than its factorization.

14157581474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70087140.

The product of its digits is 627200, while the sum is 47.

The spelling of 14157581474 in words is "fourteen billion, one hundred fifty-seven million, five hundred eighty-one thousand, four hundred seventy-four".