149308965 has 72 divisors (see below), whose sum is σ = 290333160. Its totient is φ = 70866432.

The previous prime is 149308937. The next prime is 149308987. The reversal of 149308965 is 569803941.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 32798529 + 116510436 = 5727^2 + 10794^2 .

It is not a de Polignac number, because 149308965 - 2¹⁰ = 149307941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 149308965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 220207 + ... + 220883.

It is an arithmetic number, because the mean of its divisors is an integer number (4032405).

Almost surely, 2^149308965 is an apocalyptic number.

149308965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149308965 is a deficient number, since it is larger than the sum of its proper divisors (141024195).

149308965 is a wasteful number, since it uses less digits than its factorization.

149308965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 149308965 is about 12219.2047613582. The cubic root of 149308965 is about 530.5121014496.

The spelling of 149308965 in words is "one hundred forty-nine million, three hundred eight thousand, nine hundred sixty-five".