149271158 has 4 divisors (see below), whose sum is σ = 223906740. Its totient is φ = 74635578.

The previous prime is 149271151. The next prime is 149271191. The reversal of 149271158 is 851172941.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×149271158² = 44563757221321928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149271151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37317788 + ... + 37317791.

It is an arithmetic number, because the mean of its divisors is an integer number (55976685).

Almost surely, 2^149271158 is an apocalyptic number.

149271158 is a deficient number, since it is larger than the sum of its proper divisors (74635582).

149271158 is an equidigital number, since it uses as much as digits as its factorization.

149271158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74635581.

The product of its digits is 20160, while the sum is 38.

The square root of 149271158 is about 12217.6576314775. The cubic root of 149271158 is about 530.4673201150.

The spelling of 149271158 in words is "one hundred forty-nine million, two hundred seventy-one thousand, one hundred fifty-eight".