149036565 has 16 divisors (see below), whose sum is σ = 239174208. Its totient is φ = 79247616.

The previous prime is 149036557. The next prime is 149036617. The reversal of 149036565 is 565630941.

It is not a de Polignac number, because 149036565 - 2³ = 149036557 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

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, 9687 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (14948388).

Almost surely, 2^149036565 is an apocalyptic number.

149036565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

149036565 is a deficient number, since it is larger than the sum of its proper divisors (90137643).

149036565 is a wasteful number, since it uses less digits than its factorization.

149036565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29828.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 149036565 is about 12208.0532846150. The cubic root of 149036565 is about 530.1892821018.

The spelling of 149036565 in words is "one hundred forty-nine million, thirty-six thousand, five hundred sixty-five".