154633642 has 8 divisors (see below), whose sum is σ = 239432832. Its totient is φ = 74822700.

The previous prime is 154633621. The next prime is 154633651. The reversal of 154633642 is 246336451.

154633642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 154633598 and 154633607.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246984 + ... + 1247107.

It is an arithmetic number, because the mean of its divisors is an integer number (29929104).

Almost surely, 2^154633642 is an apocalyptic number.

154633642 is a deficient number, since it is larger than the sum of its proper divisors (84799190).

154633642 is a wasteful number, since it uses less digits than its factorization.

154633642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494124.

The product of its digits is 51840, while the sum is 34.

The square root of 154633642 is about 12435.1776022701. The cubic root of 154633642 is about 536.7449844337.

The spelling of 154633642 in words is "one hundred fifty-four million, six hundred thirty-three thousand, six hundred forty-two".