149457422 has 16 divisors (see below), whose sum is σ = 229806720. Its totient is φ = 72861432.

The previous prime is 149457409. The next prime is 149457431. The reversal of 149457422 is 224754941.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62729 + ... + 65067.

It is an arithmetic number, because the mean of its divisors is an integer number (14362920).

Almost surely, 2^149457422 is an apocalyptic number.

149457422 is a deficient number, since it is larger than the sum of its proper divisors (80349298).

149457422 is a wasteful number, since it uses less digits than its factorization.

149457422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127.

The product of its digits is 80640, while the sum is 38.

The square root of 149457422 is about 12225.2779927493. The cubic root of 149457422 is about 530.6878715303.

The spelling of 149457422 in words is "one hundred forty-nine million, four hundred fifty-seven thousand, four hundred twenty-two".