154845980 has 12 divisors (see below), whose sum is σ = 325176600. Its totient is φ = 61938384.

The previous prime is 154845973. The next prime is 154845983. The reversal of 154845980 is 89548451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154845983) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3871130 + ... + 3871169.

It is an arithmetic number, because the mean of its divisors is an integer number (27098050).

Almost surely, 2^154845980 is an apocalyptic number.

154845980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154845980 is an abundant number, since it is smaller than the sum of its proper divisors (170330620).

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

154845980 is a wasteful number, since it uses less digits than its factorization.

154845980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742308 (or 7742306 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 154845980 is about 12443.7124685521. The cubic root of 154845980 is about 536.9905524475.

The spelling of 154845980 in words is "one hundred fifty-four million, eight hundred forty-five thousand, nine hundred eighty".