149237442 has 24 divisors (see below), whose sum is σ = 323622000. Its totient is φ = 49703640.

The previous prime is 149237437. The next prime is 149237467. The reversal of 149237442 is 244732941.

It is a junction number, because it is equal to n+sod(n) for n = 149237397 and 149237406.

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 in 11 ways as a sum of consecutive naturals, for example, 24217 + ... + 29747.

It is an arithmetic number, because the mean of its divisors is an integer number (13484250).

Almost surely, 2^149237442 is an apocalyptic number.

149237442 is an abundant number, since it is smaller than the sum of its proper divisors (174384558).

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

149237442 is a wasteful number, since it uses less digits than its factorization.

149237442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038 (or 7035 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 149237442 is about 12216.2777473337. The cubic root of 149237442 is about 530.4273780767.

The spelling of 149237442 in words is "one hundred forty-nine million, two hundred thirty-seven thousand, four hundred forty-two".