115451409 has 8 divisors (see below), whose sum is σ = 158900992. Its totient is φ = 74484720.

The previous prime is 115451389. The next prime is 115451443. The reversal of 115451409 is 904154511.

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

It is not a de Polignac number, because 115451409 - 2¹² = 115447313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115451489) 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, 620614 + ... + 620799.

It is an arithmetic number, because the mean of its divisors is an integer number (19862624).

Almost surely, 2^115451409 is an apocalyptic number.

It is an amenable number.

115451409 is a deficient number, since it is larger than the sum of its proper divisors (43449583).

115451409 is a wasteful number, since it uses less digits than its factorization.

115451409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241447.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 115451409 is about 10744.8317343735. The cubic root of 115451409 is about 486.9298655022.

The spelling of 115451409 in words is "one hundred fifteen million, four hundred fifty-one thousand, four hundred nine".