154667428 has 12 divisors (see below), whose sum is σ = 286589772. Its totient is φ = 72784640.

The previous prime is 154667419. The next prime is 154667441. The reversal of 154667428 is 824766451.

It can be written as a sum of positive squares in 2 ways, for example, as 111344704 + 43322724 = 10552^2 + 6582^2 .

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, 1137193 + ... + 1137328.

It is an arithmetic number, because the mean of its divisors is an integer number (23882481).

Almost surely, 2^154667428 is an apocalyptic number.

It is an amenable number.

154667428 is a deficient number, since it is larger than the sum of its proper divisors (131922344).

154667428 is a wasteful number, since it uses less digits than its factorization.

154667428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274542 (or 2274540 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 154667428 is about 12436.5360128936. The cubic root of 154667428 is about 536.7840728348.

The spelling of 154667428 in words is "one hundred fifty-four million, six hundred sixty-seven thousand, four hundred twenty-eight".