154540634 has 16 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 73827600.

The previous prime is 154540627. The next prime is 154540643. The reversal of 154540634 is 436045451.

154540634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154540634.

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, 64559 + ... + 66909.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^154540634 is an apocalyptic number.

154540634 is a deficient number, since it is larger than the sum of its proper divisors (87621286).

154540634 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (154540633) it forms an eRAP, since the sums of their prime factors are consecutive (3804 and 3805).

154540634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 154540634 is about 12431.4373263915. The cubic root of 154540634 is about 536.6373502669.

The spelling of 154540634 in words is "one hundred fifty-four million, five hundred forty thousand, six hundred thirty-four".