115143155 has 4 divisors (see below), whose sum is σ = 138171792. Its totient is φ = 92114520.

The previous prime is 115143143. The next prime is 115143167. The reversal of 115143155 is 551341511.

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

It is an interprime number because it is at equal distance from previous prime (115143143) and next prime (115143167).

It is not a de Polignac number, because 115143155 - 2¹⁶ = 115077619 is a prime.

It is a super-2 number, since 2×115143155² = 26515892286708050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11514311 + ... + 11514320.

It is an arithmetic number, because the mean of its divisors is an integer number (34542948).

Almost surely, 2^115143155 is an apocalyptic number.

115143155 is a deficient number, since it is larger than the sum of its proper divisors (23028637).

115143155 is an equidigital number, since it uses as much as digits as its factorization.

115143155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028636.

The product of its digits is 1500, while the sum is 26.

The square root of 115143155 is about 10730.4778551563. The cubic root of 115143155 is about 486.4961134291.

Adding to 115143155 its reverse (551341511), we get a palindrome (666484666).

The spelling of 115143155 in words is "one hundred fifteen million, one hundred forty-three thousand, one hundred fifty-five".