149158427 has 12 divisors (see below), whose sum is σ = 170107224. Its totient is φ = 129697920.

The previous prime is 149158423. The next prime is 149158439. The reversal of 149158427 is 724851941.

It is not a de Polignac number, because 149158427 - 2² = 149158423 is a prime.

It is a super-2 number, since 2×149158427² = 44496472690228658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149158421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6998 + ... + 18635.

It is an arithmetic number, because the mean of its divisors is an integer number (14175602).

Almost surely, 2^149158427 is an apocalyptic number.

149158427 is a deficient number, since it is larger than the sum of its proper divisors (20948797).

149158427 is a wasteful number, since it uses less digits than its factorization.

149158427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25690 (or 25667 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 149158427 is about 12213.0433144241. The cubic root of 149158427 is about 530.3337484939. Note that the first 3 decimals are identical.

The spelling of 149158427 in words is "one hundred forty-nine million, one hundred fifty-eight thousand, four hundred twenty-seven".