149022142 has 8 divisors (see below), whose sum is σ = 223903296. Its totient is φ = 74387712.

The previous prime is 149022091. The next prime is 149022163. The reversal of 149022142 is 241220941.

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

It is a congruent number.

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, 60163 + ... + 62590.

It is an arithmetic number, because the mean of its divisors is an integer number (27987912).

Almost surely, 2^149022142 is an apocalyptic number.

149022142 is a deficient number, since it is larger than the sum of its proper divisors (74881154).

149022142 is a wasteful number, since it uses less digits than its factorization.

149022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123362.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 149022142 is about 12207.4625537005. The cubic root of 149022142 is about 530.1721785435.

It can be divided in two parts, 1490 and 22142, that added together give a palindrome (23632).

The spelling of 149022142 in words is "one hundred forty-nine million, twenty-two thousand, one hundred forty-two".