149952789 has 30 divisors (see below), whose sum is σ = 260582454. Its totient is φ = 85685040.

The previous prime is 149952779. The next prime is 149952793. The reversal of 149952789 is 987259941.

It can be written as a sum of positive squares in only one way, i.e., 143280900 + 6671889 = 11970^2 + 2583^2 .

It is not a de Polignac number, because 149952789 - 2⁷ = 149952661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149952779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 14922 + ... + 22859.

Almost surely, 2^149952789 is an apocalyptic number.

It is an amenable number.

149952789 is a deficient number, since it is larger than the sum of its proper divisors (110629665).

149952789 is an equidigital number, since it uses as much as digits as its factorization.

149952789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37807 (or 37791 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 149952789 is about 12245.5211812319. The cubic root of 149952789 is about 531.2735352157.

The spelling of 149952789 in words is "one hundred forty-nine million, nine hundred fifty-two thousand, seven hundred eighty-nine".