149215044 has 24 divisors (see below), whose sum is σ = 379820448. Its totient is φ = 45216640.

The previous prime is 149215021. The next prime is 149215049. The reversal of 149215044 is 440512941.

It is not an unprimeable number, because it can be changed into a prime (149215049) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 565077 + ... + 565340.

It is an arithmetic number, because the mean of its divisors is an integer number (15825852).

Almost surely, 2^149215044 is an apocalyptic number.

It is an amenable number.

149215044 is an abundant number, since it is smaller than the sum of its proper divisors (230605404).

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

149215044 is a wasteful number, since it uses less digits than its factorization.

149215044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130435 (or 1130433 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 149215044 is about 12215.3609852513. The cubic root of 149215044 is about 530.4008407085.

Adding to 149215044 its reverse (440512941), we get a palindrome (589727985).

The spelling of 149215044 in words is "one hundred forty-nine million, two hundred fifteen thousand, forty-four".