154849460 has 24 divisors (see below), whose sum is σ = 325953096. Its totient is φ = 61793280.

The previous prime is 154849459. The next prime is 154849469. The reversal of 154849460 is 64948451.

It can be written as a sum of positive squares in 4 ways, for example, as 195364 + 154654096 = 442^2 + 12436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154849469) 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, 281 + ... + 17600.

It is an arithmetic number, because the mean of its divisors is an integer number (13581379).

Almost surely, 2^154849460 is an apocalyptic number.

154849460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154849460 is an abundant number, since it is smaller than the sum of its proper divisors (171103636).

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

154849460 is a wasteful number, since it uses less digits than its factorization.

154849460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18323 (or 18321 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 154849460 is about 12443.8522974198. The cubic root of 154849460 is about 536.9945751827.

The spelling of 154849460 in words is "one hundred fifty-four million, eight hundred forty-nine thousand, four hundred sixty".