154140064 has 24 divisors (see below), whose sum is σ = 326807460. Its totient is φ = 71141376.

The previous prime is 154140031. The next prime is 154140067. The reversal of 154140064 is 460041451.

It can be written as a sum of positive squares in 2 ways, for example, as 144480400 + 9659664 = 12020^2 + 3108^2 .

It is not an unprimeable number, because it can be changed into a prime (154140067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184849 + ... + 185680.

Almost surely, 2^154140064 is an apocalyptic number.

It is an amenable number.

154140064 is an abundant number, since it is smaller than the sum of its proper divisors (172667396).

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

154140064 is a wasteful number, since it uses less digits than its factorization.

154140064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370552 (or 370544 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 154140064 is about 12415.3157027923. The cubic root of 154140064 is about 536.1732936361.

The spelling of 154140064 in words is "one hundred fifty-four million, one hundred forty thousand, sixty-four".