154223014656 has 72 divisors (see below), whose sum is σ = 416239375104. Its totient is φ = 50683601920.

The previous prime is 154223014609. The next prime is 154223014669. The reversal of 154223014656 is 656410322451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1359636 + ... + 1468691.

It is an arithmetic number, because the mean of its divisors is an integer number (5781102432).

Almost surely, 2^154223014656 is an apocalyptic number.

154223014656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

154223014656 is an abundant number, since it is smaller than the sum of its proper divisors (262016360448).

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

154223014656 is an equidigital number, since it uses as much as digits as its factorization.

154223014656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828417 (or 2828403 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 154223014656 in words is "one hundred fifty-four billion, two hundred twenty-three million, fourteen thousand, six hundred fifty-six".