149374042 has 4 divisors (see below), whose sum is σ = 224061066. Its totient is φ = 74687020.

The previous prime is 149374031. The next prime is 149374073. The reversal of 149374042 is 240473941.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141871921 + 7502121 = 11911^2 + 2739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 149373989 and 149374007.

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, 37343509 + ... + 37343512.

Almost surely, 2^149374042 is an apocalyptic number.

149374042 is a deficient number, since it is larger than the sum of its proper divisors (74687024).

149374042 is an equidigital number, since it uses as much as digits as its factorization.

149374042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74687023.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 149374042 is about 12221.8673695962. The cubic root of 149374042 is about 530.5891656352.

The spelling of 149374042 in words is "one hundred forty-nine million, three hundred seventy-four thousand, forty-two".