115143451 has 4 divisors (see below), whose sum is σ = 120149712. Its totient is φ = 110137192.

The previous prime is 115143443. The next prime is 115143481. The reversal of 115143451 is 154341511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115143451 - 2³ = 115143443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115143421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2503096 + ... + 2503141.

It is an arithmetic number, because the mean of its divisors is an integer number (30037428).

Almost surely, 2^115143451 is an apocalyptic number.

115143451 is a deficient number, since it is larger than the sum of its proper divisors (5006261).

115143451 is an equidigital number, since it uses as much as digits as its factorization.

115143451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006260.

The product of its digits is 1200, while the sum is 25.

The square root of 115143451 is about 10730.4916476367. The cubic root of 115143451 is about 486.4965303093.

Adding to 115143451 its reverse (154341511), we get a palindrome (269484962).

The spelling of 115143451 in words is "one hundred fifteen million, one hundred forty-three thousand, four hundred fifty-one".