154216880 has 40 divisors (see below), whose sum is σ = 363479712. Its totient is φ = 60839424.

The previous prime is 154216873. The next prime is 154216889. The reversal of 154216880 is 88612451.

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

It is a self number, because there is not a number n which added to its sum of digits gives 154216880.

It is not an unprimeable number, because it can be changed into a prime (154216889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7364 + ... + 19043.

Almost surely, 2^154216880 is an apocalyptic number.

154216880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154216880 is an abundant number, since it is smaller than the sum of its proper divisors (209262832).

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

154216880 is a wasteful number, since it uses less digits than its factorization.

154216880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26493 (or 26487 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 154216880 is about 12418.4089157992. The cubic root of 154216880 is about 536.2623465116.

The spelling of 154216880 in words is "one hundred fifty-four million, two hundred sixteen thousand, eight hundred eighty".