149280065 has 32 divisors (see below), whose sum is σ = 201833856. Its totient is φ = 105064960.

The previous prime is 149280031. The next prime is 149280067. The reversal of 149280065 is 560082941.

It is not a de Polignac number, because 149280065 - 2¹⁰ = 149279041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149280067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 241637 + ... + 242253.

It is an arithmetic number, because the mean of its divisors is an integer number (6307308).

Almost surely, 2^149280065 is an apocalyptic number.

It is an amenable number.

149280065 is a deficient number, since it is larger than the sum of its proper divisors (52553791).

149280065 is a wasteful number, since it uses less digits than its factorization.

149280065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 149280065 is about 12218.0221394463. The cubic root of 149280065 is about 530.4778708883.

The spelling of 149280065 in words is "one hundred forty-nine million, two hundred eighty thousand, sixty-five".