115143425 has 6 divisors (see below), whose sum is σ = 142777878. Its totient is φ = 92114720.

The previous prime is 115143421. The next prime is 115143443. The reversal of 115143425 is 524341511.

It can be written as a sum of positive squares in 3 ways, for example, as 19749136 + 95394289 = 4444^2 + 9767^2 .

It is not a de Polignac number, because 115143425 - 2² = 115143421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115143394 and 115143403.

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

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2302844 + ... + 2302893.

It is an arithmetic number, because the mean of its divisors is an integer number (23796313).

Almost surely, 2^115143425 is an apocalyptic number.

It is an amenable number.

115143425 is a deficient number, since it is larger than the sum of its proper divisors (27634453).

115143425 is an equidigital number, since it uses as much as digits as its factorization.

115143425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605747 (or 4605742 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 115143425 is about 10730.4904361357. The cubic root of 115143425 is about 486.4964936915.

Adding to 115143425 its reverse (524341511), we get a palindrome (639484936).

The spelling of 115143425 in words is "one hundred fifteen million, one hundred forty-three thousand, four hundred twenty-five".