115400451 has 8 divisors (see below), whose sum is σ = 156770640. Its totient is φ = 75481952.

The previous prime is 115400431. The next prime is 115400497. The reversal of 115400451 is 154004511.

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 115400451 - 2⁵ = 115400419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115400431) 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, 362736 + ... + 363053.

It is an arithmetic number, because the mean of its divisors is an integer number (19596330).

Almost surely, 2^115400451 is an apocalyptic number.

115400451 is a deficient number, since it is larger than the sum of its proper divisors (41370189).

115400451 is an equidigital number, since it uses as much as digits as its factorization.

115400451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725845.

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

The square root of 115400451 is about 10742.4601930843. The cubic root of 115400451 is about 486.8582145112.

Adding to 115400451 its reverse (154004511), we get a palindrome (269404962).

The spelling of 115400451 in words is "one hundred fifteen million, four hundred thousand, four hundred fifty-one".