114921565 has 36 divisors (see below), whose sum is σ = 156744756. Its totient is φ = 80819200.

The previous prime is 114921563. The next prime is 114921571. The reversal of 114921565 is 565129411.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 77246521 + 37675044 = 8789^2 + 6138^2 .

It is not a de Polignac number, because 114921565 - 2¹ = 114921563 is a prime.

It is a super-2 number, since 2×114921565² = 26413932204098450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 114921565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114921563) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1016949 + ... + 1017061.

It is an arithmetic number, because the mean of its divisors is an integer number (4354021).

Almost surely, 2^114921565 is an apocalyptic number.

It is an amenable number.

114921565 is a deficient number, since it is larger than the sum of its proper divisors (41823191).

114921565 is a wasteful number, since it uses less digits than its factorization.

114921565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 170 counting only the distinct ones).

The product of its digits is 10800, while the sum is 34.

The square root of 114921565 is about 10720.1476202523. The cubic root of 114921565 is about 486.1838299871.

It can be divided in two parts, 11 and 4921565, that multiplied together give a triangular number (54137215 = T₁₀₄₀₅).

The spelling of 114921565 in words is "one hundred fourteen million, nine hundred twenty-one thousand, five hundred sixty-five".