149740442 has 8 divisors (see below), whose sum is σ = 234376416. Its totient is φ = 71614972.

The previous prime is 149740429. The next prime is 149740469. The reversal of 149740442 is 244047941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627568 + ... + 1627659.

It is an arithmetic number, because the mean of its divisors is an integer number (29297052).

Almost surely, 2^149740442 is an apocalyptic number.

149740442 is a deficient number, since it is larger than the sum of its proper divisors (84635974).

149740442 is a wasteful number, since it uses less digits than its factorization.

149740442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255252.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 149740442 is about 12236.8477149959. The cubic root of 149740442 is about 531.0226392817.

The spelling of 149740442 in words is "one hundred forty-nine million, seven hundred forty thousand, four hundred forty-two".