153840844 has 12 divisors (see below), whose sum is σ = 273240184. Its totient is φ = 75772224.

The previous prime is 153840829. The next prime is 153840847. The reversal of 153840844 is 448048351.

153840844 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (153840847) 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, 286749 + ... + 287284.

Almost surely, 2^153840844 is an apocalyptic number.

It is an amenable number.

153840844 is a deficient number, since it is larger than the sum of its proper divisors (119399340).

153840844 is a wasteful number, since it uses less digits than its factorization.

153840844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574104 (or 574102 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 153840844 is about 12403.2594103324. The cubic root of 153840844 is about 535.8261251943.

The spelling of 153840844 in words is "one hundred fifty-three million, eight hundred forty thousand, eight hundred forty-four".