115225143 has 32 divisors (see below), whose sum is σ = 171085824. Its totient is φ = 68400000.

The previous prime is 115225081. The next prime is 115225151. The reversal of 115225143 is 341522511.

It is a happy number.

It is not a de Polignac number, because 115225143 - 2¹⁸ = 114962999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115225043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 603178 + ... + 603368.

It is an arithmetic number, because the mean of its divisors is an integer number (5346432).

Almost surely, 2^115225143 is an apocalyptic number.

115225143 is a deficient number, since it is larger than the sum of its proper divisors (55860681).

115225143 is a wasteful number, since it uses less digits than its factorization.

115225143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 1200, while the sum is 24.

The square root of 115225143 is about 10734.2975084539. The cubic root of 115225143 is about 486.6115563312.

Adding to 115225143 its reverse (341522511), we get a palindrome (456747654).

The spelling of 115225143 in words is "one hundred fifteen million, two hundred twenty-five thousand, one hundred forty-three".