154789680 has 160 divisors (see below), whose sum is σ = 502039296. Its totient is φ = 39416832.

The previous prime is 154789673. The next prime is 154789729. The reversal of 154789680 is 86987451.

154789680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546819 + ... + 547101.

Almost surely, 2^154789680 is an apocalyptic number.

154789680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154789680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251019648).

154789680 is an abundant number, since it is smaller than the sum of its proper divisors (347249616).

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

154789680 is a wasteful number, since it uses less digits than its factorization.

154789680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 154789680 is about 12441.4500762572. The cubic root of 154789680 is about 536.9254636134.

The spelling of 154789680 in words is "one hundred fifty-four million, seven hundred eighty-nine thousand, six hundred eighty".