149642074 has 8 divisors (see below), whose sum is σ = 224576928. Its totient is φ = 74783100.

The previous prime is 149642033. The next prime is 149642083. The reversal of 149642074 is 470246941.

It is a happy number.

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

It is a super-2 number, since 2×149642074² = 44785500622042952, which contains 22 as substring.

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, 13752 + ... + 22099.

It is an arithmetic number, because the mean of its divisors is an integer number (28072116).

Almost surely, 2^149642074 is an apocalyptic number.

149642074 is a deficient number, since it is larger than the sum of its proper divisors (74934854).

149642074 is a wasteful number, since it uses less digits than its factorization.

149642074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37940.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 149642074 is about 12232.8277188882. The cubic root of 149642074 is about 530.9063334111.

The spelling of 149642074 in words is "one hundred forty-nine million, six hundred forty-two thousand, seventy-four".