115140450 has 24 divisors (see below), whose sum is σ = 285548688. Its totient is φ = 30704080.

The previous prime is 115140449. The next prime is 115140451. The reversal of 115140450 is 54041511.

It is an interprime number because it is at equal distance from previous prime (115140449) and next prime (115140451).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115140451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 383652 + ... + 383951.

It is an arithmetic number, because the mean of its divisors is an integer number (11897862).

Almost surely, 2^115140450 is an apocalyptic number.

115140450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115140450 is an abundant number, since it is smaller than the sum of its proper divisors (170408238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115140450 is a wasteful number, since it uses less digits than its factorization.

115140450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767618 (or 767613 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 115140450 is about 10730.3518115670. The cubic root of 115140450 is about 486.4923037301.

Adding to 115140450 its reverse (54041511), we get a palindrome (169181961).

The spelling of 115140450 in words is "one hundred fifteen million, one hundred forty thousand, four hundred fifty".