149887269 has 24 divisors (see below), whose sum is σ = 248519232. Its totient is φ = 85273920.

The previous prime is 149887247. The next prime is 149887279. The reversal of 149887269 is 962788941.

149887269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 149887269 - 2⁵ = 149887237 is a prime.

It is a super-2 number, since 2×149887269² = 44932386816556722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149887279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9574 + ... + 19784.

It is an arithmetic number, because the mean of its divisors is an integer number (10354968).

Almost surely, 2^149887269 is an apocalyptic number.

It is an amenable number.

149887269 is a deficient number, since it is larger than the sum of its proper divisors (98631963).

149887269 is a wasteful number, since it uses less digits than its factorization.

149887269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10457 (or 10454 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 149887269 is about 12242.8456250988. The cubic root of 149887269 is about 531.1961461626.

It can be divided in two parts, 1498872 and 69, that added together give a palindrome (1498941).

The spelling of 149887269 in words is "one hundred forty-nine million, eight hundred eighty-seven thousand, two hundred sixty-nine".