149293427 has 4 divisors (see below), whose sum is σ = 154109376. Its totient is φ = 144477480.

The previous prime is 149293411. The next prime is 149293433. The reversal of 149293427 is 724392941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724392941 = 113 ⋅6410557.

It is a cyclic number.

It is not a de Polignac number, because 149293427 - 2⁴ = 149293411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149293457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2407928 + ... + 2407989.

It is an arithmetic number, because the mean of its divisors is an integer number (38527344).

Almost surely, 2^149293427 is an apocalyptic number.

149293427 is a deficient number, since it is larger than the sum of its proper divisors (4815949).

149293427 is an equidigital number, since it uses as much as digits as its factorization.

149293427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815948.

The product of its digits is 108864, while the sum is 41.

The square root of 149293427 is about 12218.5689423926. The cubic root of 149293427 is about 530.4936980380.

The spelling of 149293427 in words is "one hundred forty-nine million, two hundred ninety-three thousand, four hundred twenty-seven".