153994472 has 8 divisors (see below), whose sum is σ = 288739650. Its totient is φ = 76997232.

The previous prime is 153994459. The next prime is 153994493. The reversal of 153994472 is 274499351.

It can be written as a sum of positive squares in only one way, i.e., 148011556 + 5982916 = 12166^2 + 2446^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9624647 + ... + 9624662.

Almost surely, 2^153994472 is an apocalyptic number.

It is an amenable number.

153994472 is a deficient number, since it is larger than the sum of its proper divisors (134745178).

153994472 is a wasteful number, since it uses less digits than its factorization.

153994472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19249315 (or 19249311 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 153994472 is about 12409.4509145248. The cubic root of 153994472 is about 536.0044274528.

The spelling of 153994472 in words is "one hundred fifty-three million, nine hundred ninety-four thousand, four hundred seventy-two".