154136664 has 96 divisors (see below), whose sum is σ = 479419200. Its totient is φ = 44245440.

The previous prime is 154136659. The next prime is 154136677. The reversal of 154136664 is 466631451.

It is a happy number.

154136664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×154136664² = 47516222378097792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9927 + ... + 20169.

It is an arithmetic number, because the mean of its divisors is an integer number (4993950).

Almost surely, 2^154136664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154136664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239709600).

154136664 is an abundant number, since it is smaller than the sum of its proper divisors (325282536).

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

154136664 is a wasteful number, since it uses less digits than its factorization.

154136664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285 (or 10278 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 154136664 is about 12415.1787743874. The cubic root of 154136664 is about 536.1693513286.

The spelling of 154136664 in words is "one hundred fifty-four million, one hundred thirty-six thousand, six hundred sixty-four".