154550040 has 32 divisors (see below), whose sum is σ = 463650480. Its totient is φ = 41213312.

The previous prime is 154550023. The next prime is 154550093. The reversal of 154550040 is 40055451.

154550040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 643839 + ... + 644078.

Almost surely, 2^154550040 is an apocalyptic number.

154550040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154550040 is an abundant number, since it is smaller than the sum of its proper divisors (309100440).

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

154550040 is a wasteful number, since it uses less digits than its factorization.

154550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287931 (or 1287927 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 154550040 is about 12431.8156356986. The cubic root of 154550040 is about 536.6482373895.

The spelling of 154550040 in words is "one hundred fifty-four million, five hundred fifty thousand, forty".