11900144 has 20 divisors (see below), whose sum is σ = 23135424. Its totient is φ = 5929728.

The previous prime is 11900107. The next prime is 11900149. The reversal of 11900144 is 44100911.

11900144 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 2×11900144² = 283226854441472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900149) 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, 4289 + ... + 6495.

Almost surely, 2^11900144 is an apocalyptic number.

It is an amenable number.

11900144 is a deficient number, since it is larger than the sum of its proper divisors (11235280).

11900144 is a wasteful number, since it uses less digits than its factorization.

11900144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552 (or 2546 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 11900144 is about 3449.6585338262. The cubic root of 11900144 is about 228.3060422861.

The spelling of 11900144 in words is "eleven million, nine hundred thousand, one hundred forty-four".