70115143 has 8 divisors (see below), whose sum is σ = 80192160. Its totient is φ = 60053280.

The previous prime is 70115141. The next prime is 70115153. The reversal of 70115143 is 34151107.

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

It is not a de Polignac number, because 70115143 - 2¹ = 70115141 is a prime.

It is a super-2 number, since 2×70115143² = 9832266555820898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70115141) 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, 9033 + ... + 14893.

It is an arithmetic number, because the mean of its divisors is an integer number (10024020).

Almost surely, 2^70115143 is an apocalyptic number.

70115143 is a deficient number, since it is larger than the sum of its proper divisors (10077017).

70115143 is a wasteful number, since it uses less digits than its factorization.

70115143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 70115143 is about 8373.4785483692. The cubic root of 70115143 is about 412.3543762676.

The spelling of 70115143 in words is "seventy million, one hundred fifteen thousand, one hundred forty-three".