154972330 has 16 divisors (see below), whose sum is σ = 283524264. Its totient is φ = 60972480.

The previous prime is 154972327. The next prime is 154972331. The reversal of 154972330 is 33279451.

It can be written as a sum of positive squares in 4 ways, for example, as 58323769 + 96648561 = 7637^2 + 9831^2 .

It is not an unprimeable number, because it can be changed into a prime (154972331) 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 7 ways as a sum of consecutive naturals, for example, 126417 + ... + 127636.

Almost surely, 2^154972330 is an apocalyptic number.

154972330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154972330 is a deficient number, since it is larger than the sum of its proper divisors (128551934).

154972330 is a wasteful number, since it uses less digits than its factorization.

154972330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254121.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 154972330 is about 12448.7882944486. The cubic root of 154972330 is about 537.1365691764.

The spelling of 154972330 in words is "one hundred fifty-four million, nine hundred seventy-two thousand, three hundred thirty".