149044873 has 4 divisors (see below), whose sum is σ = 156889360. Its totient is φ = 141200388.

The previous prime is 149044859. The next prime is 149044877. The reversal of 149044873 is 378440941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378440941 = 97 ⋅3901453.

It is a cyclic number.

It is not a de Polignac number, because 149044873 - 2⁹ = 149044361 is a prime.

It is a super-2 number, since 2×149044873² = 44428748335172258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149044877) 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, 3922215 + ... + 3922252.

It is an arithmetic number, because the mean of its divisors is an integer number (39222340).

Almost surely, 2^149044873 is an apocalyptic number.

It is an amenable number.

149044873 is a deficient number, since it is larger than the sum of its proper divisors (7844487).

149044873 is an equidigital number, since it uses as much as digits as its factorization.

149044873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844486.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 149044873 is about 12208.3935470642. The cubic root of 149044873 is about 530.1991336679.

The spelling of 149044873 in words is "one hundred forty-nine million, forty-four thousand, eight hundred seventy-three".