149644444 has 24 divisors (see below), whose sum is σ = 264958848. Its totient is φ = 73947120.

The previous prime is 149644441. The next prime is 149644447. The reversal of 149644444 is 444446941.

149644444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (149644441) and next prime (149644447).

149644444 is a modest number, since divided by 44444 gives 1496 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 149644397 and 149644406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149644441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181417 + ... + 182239.

It is an arithmetic number, because the mean of its divisors is an integer number (11039952).

Almost surely, 2^149644444 is an apocalyptic number.

It is an amenable number.

149644444 is a deficient number, since it is larger than the sum of its proper divisors (115314404).

149644444 is a wasteful number, since it uses less digits than its factorization.

149644444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1303 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 149644444 is about 12232.9245889934. The cubic root of 149644444 is about 530.9091361909.

The spelling of 149644444 in words is "one hundred forty-nine million, six hundred forty-four thousand, four hundred forty-four".