149237444 has 6 divisors (see below), whose sum is σ = 261165534. Its totient is φ = 74618720.

The previous prime is 149237437. The next prime is 149237467. The reversal of 149237444 is 444732941.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140896900 + 8340544 = 11870^2 + 2888^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149237398 and 149237407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18654677 + ... + 18654684.

It is an arithmetic number, because the mean of its divisors is an integer number (43527589).

Almost surely, 2^149237444 is an apocalyptic number.

It is an amenable number.

149237444 is a deficient number, since it is larger than the sum of its proper divisors (111928090).

149237444 is a wasteful number, since it uses less digits than its factorization.

149237444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37309365 (or 37309363 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 149237444 is about 12216.2778291917. The cubic root of 149237444 is about 530.4273804462.

The spelling of 149237444 in words is "one hundred forty-nine million, two hundred thirty-seven thousand, four hundred forty-four".