70143102 has 24 divisors (see below), whose sum is σ = 152327136. Its totient is φ = 23327136.

The previous prime is 70143061. The next prime is 70143109. The reversal of 70143102 is 20134107.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70143109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (6346964).

Almost surely, 2^70143102 is an apocalyptic number.

70143102 is an abundant number, since it is smaller than the sum of its proper divisors (82184034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70143102 is a wasteful number, since it uses less digits than its factorization.

70143102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992 (or 8989 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70143102 is about 8375.1478792914. The cubic root of 70143102 is about 412.4091789032.

Adding to 70143102 its reverse (20134107), we get a palindrome (90277209).

The spelling of 70143102 in words is "seventy million, one hundred forty-three thousand, one hundred two".