154420732 has 6 divisors (see below), whose sum is σ = 270236288. Its totient is φ = 77210364.

The previous prime is 154420723. The next prime is 154420817. The reversal of 154420732 is 237024451.

154420732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154420732.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19302588 + ... + 19302595.

Almost surely, 2^154420732 is an apocalyptic number.

It is an amenable number.

154420732 is a deficient number, since it is larger than the sum of its proper divisors (115815556).

154420732 is a wasteful number, since it uses less digits than its factorization.

154420732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38605187 (or 38605185 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 154420732 is about 12426.6138589722. The cubic root of 154420732 is about 536.4985290871.

The spelling of 154420732 in words is "one hundred fifty-four million, four hundred twenty thousand, seven hundred thirty-two".