115402312 has 8 divisors (see below), whose sum is σ = 216379350. Its totient is φ = 57701152.

The previous prime is 115402303. The next prime is 115402321. The reversal of 115402312 is 213204511.

It is an interprime number because it is at equal distance from previous prime (115402303) and next prime (115402321).

It can be written as a sum of positive squares in only one way, i.e., 78605956 + 36796356 = 8866^2 + 6066^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×115402312² = 26635387229890688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115402312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7212637 + ... + 7212652.

Almost surely, 2^115402312 is an apocalyptic number.

It is an amenable number.

115402312 is a deficient number, since it is larger than the sum of its proper divisors (100977038).

115402312 is a wasteful number, since it uses less digits than its factorization.

115402312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14425295 (or 14425291 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115402312 is about 10742.5468116271. The cubic root of 115402312 is about 486.8608315959.

Adding to 115402312 its reverse (213204511), we get a palindrome (328606823).

The spelling of 115402312 in words is "one hundred fifteen million, four hundred two thousand, three hundred twelve".