149422631 has 8 divisors (see below), whose sum is σ = 157422720. Its totient is φ = 141436152.

The previous prime is 149422619. The next prime is 149422643. The reversal of 149422631 is 136224941.

It is an interprime number because it is at equal distance from previous prime (149422619) and next prime (149422643).

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

It is not a de Polignac number, because 149422631 - 2²⁶ = 82313767 is a prime.

It is a super-2 number, since 2×149422631² = 44654245309924322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149422831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25526 + ... + 30828.

It is an arithmetic number, because the mean of its divisors is an integer number (19677840).

Almost surely, 2^149422631 is an apocalyptic number.

149422631 is a deficient number, since it is larger than the sum of its proper divisors (8000089).

149422631 is a wasteful number, since it uses less digits than its factorization.

149422631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805.

The product of its digits is 10368, while the sum is 32.

The square root of 149422631 is about 12223.8549975039. The cubic root of 149422631 is about 530.6466901372.

The spelling of 149422631 in words is "one hundred forty-nine million, four hundred twenty-two thousand, six hundred thirty-one".