149667842 has 8 divisors (see below), whose sum is σ = 226140876. Its totient is φ = 74287552.

The previous prime is 149667827. The next prime is 149667851. The reversal of 149667842 is 248766941.

149667842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134073241 + 15594601 = 11579^2 + 3949^2 .

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, 272843 + ... + 273390.

Almost surely, 2^149667842 is an apocalyptic number.

149667842 is a deficient number, since it is larger than the sum of its proper divisors (76473034).

149667842 is a wasteful number, since it uses less digits than its factorization.

149667842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546372.

The product of its digits is 580608, while the sum is 47.

The square root of 149667842 is about 12233.8809050930. The cubic root of 149667842 is about 530.9368052538.

Subtracting 149667842 from its reverse (248766941), we obtain a palindrome (99099099).

The spelling of 149667842 in words is "one hundred forty-nine million, six hundred sixty-seven thousand, eight hundred forty-two".