115402645 has 8 divisors (see below), whose sum is σ = 138542904. Its totient is φ = 92282304.

The previous prime is 115402631. The next prime is 115402649. The reversal of 115402645 is 546204511.

It can be written as a sum of positive squares in 4 ways, for example, as 59197636 + 56205009 = 7694^2 + 7497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115402645 - 2¹⁷ = 115271573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115402649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15247 + ... + 21523.

It is an arithmetic number, because the mean of its divisors is an integer number (17317863).

Almost surely, 2^115402645 is an apocalyptic number.

It is an amenable number.

115402645 is a deficient number, since it is larger than the sum of its proper divisors (23140259).

115402645 is an equidigital number, since it uses as much as digits as its factorization.

115402645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 115402645 is about 10742.5623107339. The cubic root of 115402645 is about 486.8612998837.

The spelling of 115402645 in words is "one hundred fifteen million, four hundred two thousand, six hundred forty-five".