154065540 has 24 divisors (see below), whose sum is σ = 431383680. Its totient is φ = 41084128.

The previous prime is 154065473. The next prime is 154065559. The reversal of 154065540 is 45560451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 154065498 and 154065507.

It is an unprimeable number.

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, 1283820 + ... + 1283939.

It is an arithmetic number, because the mean of its divisors is an integer number (17974320).

Almost surely, 2^154065540 is an apocalyptic number.

154065540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

154065540 is an abundant number, since it is smaller than the sum of its proper divisors (277318140).

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

154065540 is a wasteful number, since it uses less digits than its factorization.

154065540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567771 (or 2567769 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 154065540 is about 12412.3140469455. The cubic root of 154065540 is about 536.0868695989.

The spelling of 154065540 in words is "one hundred fifty-four million, sixty-five thousand, five hundred forty".