154860668140 has 24 divisors (see below), whose sum is σ = 325227374640. Its totient is φ = 61940463168.

The previous prime is 154860668129. The next prime is 154860668153. The reversal of 154860668140 is 41866068451.

It is a super-2 number, since 2×154860668140² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108346 + ... + 566974.

It is an arithmetic number, because the mean of its divisors is an integer number (13551140610).

Almost surely, 2^154860668140 is an apocalyptic number.

154860668140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154860668140 is an abundant number, since it is smaller than the sum of its proper divisors (170366706500).

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

154860668140 is a wasteful number, since it uses less digits than its factorization.

154860668140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475521 (or 475519 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 154860668140 in words is "one hundred fifty-four billion, eight hundred sixty million, six hundred sixty-eight thousand, one hundred forty".