149314869 has 24 divisors (see below), whose sum is σ = 241648992. Its totient is φ = 88045920.

The previous prime is 149314861. The next prime is 149314871. The reversal of 149314869 is 968413941.

It is not a de Polignac number, because 149314869 - 2³ = 149314861 is a prime.

It is a super-2 number, since 2×149314869² = 44589860208974322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149314861) 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, 16719 + ... + 24044.

It is an arithmetic number, because the mean of its divisors is an integer number (10068708).

Almost surely, 2^149314869 is an apocalyptic number.

It is an amenable number.

149314869 is a deficient number, since it is larger than the sum of its proper divisors (92334123).

149314869 is a wasteful number, since it uses less digits than its factorization.

149314869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40817 (or 40814 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 149314869 is about 12219.4463458865. The cubic root of 149314869 is about 530.5190938901.

The spelling of 149314869 in words is "one hundred forty-nine million, three hundred fourteen thousand, eight hundred sixty-nine".