149287965 has 16 divisors (see below), whose sum is σ = 252911808. Its totient is φ = 74936576.

The previous prime is 149287949. The next prime is 149287987. The reversal of 149287965 is 569782941.

It is a cyclic number.

It is not a de Polignac number, because 149287965 - 2⁴ = 149287949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292467 + ... + 292976.

It is an arithmetic number, because the mean of its divisors is an integer number (15806988).

Almost surely, 2^149287965 is an apocalyptic number.

149287965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149287965 is a deficient number, since it is larger than the sum of its proper divisors (103623843).

149287965 is a wasteful number, since it uses less digits than its factorization.

149287965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585468.

The product of its digits is 1088640, while the sum is 51.

The square root of 149287965 is about 12218.3454280848. The cubic root of 149287965 is about 530.4872284701.

The spelling of 149287965 in words is "one hundred forty-nine million, two hundred eighty-seven thousand, nine hundred sixty-five".