154979882 has 4 divisors (see below), whose sum is σ = 232469826. Its totient is φ = 77489940.

The previous prime is 154979879. The next prime is 154979887. The reversal of 154979882 is 288979451.

154979882 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123854641 + 31125241 = 11129^2 + 5579^2 .

It is not an unprimeable number, because it can be changed into a prime (154979887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38744969 + ... + 38744972.

Almost surely, 2^154979882 is an apocalyptic number.

154979882 is a deficient number, since it is larger than the sum of its proper divisors (77489944).

154979882 is an equidigital number, since it uses as much as digits as its factorization.

154979882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77489943.

The product of its digits is 1451520, while the sum is 53.

The square root of 154979882 is about 12449.0916134471. The cubic root of 154979882 is about 537.1452941522.

The spelling of 154979882 in words is "one hundred fifty-four million, nine hundred seventy-nine thousand, eight hundred eighty-two".