154039550 has 48 divisors (see below), whose sum is σ = 346718880. Its totient is φ = 49704960.

The previous prime is 154039549. The next prime is 154039553. The reversal of 154039550 is 55930451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154039553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6995 + ... + 18894.

It is an arithmetic number, because the mean of its divisors is an integer number (7223310).

Almost surely, 2^154039550 is an apocalyptic number.

154039550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

154039550 is an abundant number, since it is smaller than the sum of its proper divisors (192679330).

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

154039550 is a wasteful number, since it uses less digits than its factorization.

154039550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25925 (or 25920 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 154039550 is about 12411.2670586045. The cubic root of 154039550 is about 536.0567229455.

The spelling of 154039550 in words is "one hundred fifty-four million, thirty-nine thousand, five hundred fifty".