154689808674140 has 48 divisors (see below), whose sum is σ = 325233621909504. Its totient is φ = 61802623099200.

The previous prime is 154689808674119. The next prime is 154689808674151. The reversal of 154689808674140 is 41476808986451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64984775 + ... + 67323105.

It is an arithmetic number, because the mean of its divisors is an integer number (6775700456448).

Almost surely, 2^{154689808674140} is an apocalyptic number.

154689808674140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154689808674140 is an abundant number, since it is smaller than the sum of its proper divisors (170543813235364).

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

154689808674140 is a wasteful number, since it uses less digits than its factorization.

154689808674140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342258 (or 2342256 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 71.

The spelling of 154689808674140 in words is "one hundred fifty-four trillion, six hundred eighty-nine billion, eight hundred eight million, six hundred seventy-four thousand, one hundred forty".