154085680 has 40 divisors (see below), whose sum is σ = 409429152. Its totient is φ = 52829184.

The previous prime is 154085677. The next prime is 154085689. The reversal of 154085680 is 86580451.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (154085689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137017 + ... + 138136.

Almost surely, 2^154085680 is an apocalyptic number.

154085680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154085680 is an abundant number, since it is smaller than the sum of its proper divisors (255343472).

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

154085680 is a wasteful number, since it uses less digits than its factorization.

154085680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275173 (or 275167 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 154085680 is about 12413.1253115402. The cubic root of 154085680 is about 536.1102283139.

The spelling of 154085680 in words is "one hundred fifty-four million, eighty-five thousand, six hundred eighty".