154721480 has 32 divisors (see below), whose sum is σ = 350792640. Its totient is φ = 61414080.

The previous prime is 154721449. The next prime is 154721543. The reversal of 154721480 is 84127451.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9524 + ... + 20003.

It is an arithmetic number, because the mean of its divisors is an integer number (10962270).

Almost surely, 2^154721480 is an apocalyptic number.

154721480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154721480 is an abundant number, since it is smaller than the sum of its proper divisors (196071160).

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

154721480 is a wasteful number, since it uses less digits than its factorization.

154721480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29669 (or 29665 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 154721480 is about 12438.7089362200. The cubic root of 154721480 is about 536.8465959613.

The spelling of 154721480 in words is "one hundred fifty-four million, seven hundred twenty-one thousand, four hundred eighty".