154849992 has 48 divisors (see below), whose sum is σ = 425525520. Its totient is φ = 46923360.

The previous prime is 154849979. The next prime is 154849997. The reversal of 154849992 is 299948451.

It is not an unprimeable number, because it can be changed into a prime (154849997) 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 11 ways as a sum of consecutive naturals, for example, 23758 + ... + 29565.

It is an arithmetic number, because the mean of its divisors is an integer number (8865115).

Almost surely, 2^154849992 is an apocalyptic number.

154849992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

154849992 is an abundant number, since it is smaller than the sum of its proper divisors (270675528).

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

154849992 is a wasteful number, since it uses less digits than its factorization.

154849992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53354 (or 53339 counting only the distinct ones).

The product of its digits is 933120, while the sum is 51.

The square root of 154849992 is about 12443.8736734186. The cubic root of 154849992 is about 536.9951901473.

The spelling of 154849992 in words is "one hundred fifty-four million, eight hundred forty-nine thousand, nine hundred ninety-two".