149271754 has 4 divisors (see below), whose sum is σ = 223907634. Its totient is φ = 74635876.

The previous prime is 149271751. The next prime is 149271761. The reversal of 149271754 is 457172941.

149271754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 121992025 + 27279729 = 11045^2 + 5223^2 .

It is not an unprimeable number, because it can be changed into a prime (149271751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37317937 + ... + 37317940.

Almost surely, 2^149271754 is an apocalyptic number.

149271754 is a deficient number, since it is larger than the sum of its proper divisors (74635880).

149271754 is an equidigital number, since it uses as much as digits as its factorization.

149271754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74635879.

The product of its digits is 70560, while the sum is 40.

The square root of 149271754 is about 12217.6820223805. The cubic root of 149271754 is about 530.4680261190.

The spelling of 149271754 in words is "one hundred forty-nine million, two hundred seventy-one thousand, seven hundred fifty-four".