154974432 has 24 divisors (see below), whose sum is σ = 406808136. Its totient is φ = 51658112.

The previous prime is 154974427. The next prime is 154974433. The reversal of 154974432 is 234479451.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154974433) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 807063 + ... + 807254.

It is an arithmetic number, because the mean of its divisors is an integer number (16950339).

Almost surely, 2^154974432 is an apocalyptic number.

154974432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154974432 is an abundant number, since it is smaller than the sum of its proper divisors (251833704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154974432 is a wasteful number, since it uses less digits than its factorization.

154974432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614330 (or 1614322 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 154974432 is about 12448.8727200498. The cubic root of 154974432 is about 537.1389976872.

The spelling of 154974432 in words is "one hundred fifty-four million, nine hundred seventy-four thousand, four hundred thirty-two".