149489039 has 4 divisors (see below), whose sum is σ = 170844624. Its totient is φ = 128133456.

The previous prime is 149488987. The next prime is 149489051. The reversal of 149489039 is 930984941.

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

It is a cyclic number.

It is not a de Polignac number, because 149489039 - 2²⁴ = 132711823 is a prime.

It is a super-2 number, since 2×149489039² = 44693945562287042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149488984 and 149489002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149489339) 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, 10677782 + ... + 10677795.

It is an arithmetic number, because the mean of its divisors is an integer number (42711156).

Almost surely, 2^149489039 is an apocalyptic number.

149489039 is a deficient number, since it is larger than the sum of its proper divisors (21355585).

149489039 is an equidigital number, since it uses as much as digits as its factorization.

149489039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355584.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 149489039 is about 12226.5710237989. The cubic root of 149489039 is about 530.7252903822.

The spelling of 149489039 in words is "one hundred forty-nine million, four hundred eighty-nine thousand, thirty-nine".