154904492 has 12 divisors (see below), whose sum is σ = 285350520. Its totient is φ = 73375776.

The previous prime is 154904483. The next prime is 154904507. The reversal of 154904492 is 294409451.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 1019033 + ... + 1019184.

It is an arithmetic number, because the mean of its divisors is an integer number (23779210).

Almost surely, 2^154904492 is an apocalyptic number.

It is an amenable number.

154904492 is a deficient number, since it is larger than the sum of its proper divisors (130446028).

154904492 is a wasteful number, since it uses less digits than its factorization.

154904492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038240 (or 2038238 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 154904492 is about 12446.0633133533. The cubic root of 154904492 is about 537.0581818739.

The spelling of 154904492 in words is "one hundred fifty-four million, nine hundred four thousand, four hundred ninety-two".