154149320 has 32 divisors (see below), whose sum is σ = 373516920. Its totient is φ = 56916480.

The previous prime is 154149313. The next prime is 154149349. The reversal of 154149320 is 23941451.

It can be written as a sum of positive squares in 4 ways, for example, as 44863204 + 109286116 = 6698^2 + 10454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147701 + ... + 148740.

Almost surely, 2^154149320 is an apocalyptic number.

154149320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154149320 is an abundant number, since it is smaller than the sum of its proper divisors (219367600).

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

154149320 is a wasteful number, since it uses less digits than its factorization.

154149320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296465 (or 296461 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 154149320 is about 12415.6884625864. The cubic root of 154149320 is about 536.1840256949.

The spelling of 154149320 in words is "one hundred fifty-four million, one hundred forty-nine thousand, three hundred twenty".