70142 has 8 divisors (see below), whose sum is σ = 111456. Its totient is φ = 32992.

The previous prime is 70141. The next prime is 70157. The reversal of 70142 is 24107.

Added to its reverse (24107) it gives a square (94249 = 307²).

It is a happy number.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70142.

It is not an unprimeable number, because it can be changed into a prime (70141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998 + ... + 1065.

It is an arithmetic number, because the mean of its divisors is an integer number (13932).

2⁷⁰¹⁴² is an apocalyptic number.

70142 is a deficient number, since it is larger than the sum of its proper divisors (41314).

70142 is a wasteful number, since it uses less digits than its factorization.

70142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 70142 is about 264.8433499260. The cubic root of 70142 is about 41.2407019141.

Adding to 70142 its reverse (24107), we get a palindrome (94249).

It can be divided in two parts, 7014 and 2, that multiplied together give a triangular number (14028 = T₁₆₇).

The spelling of 70142 in words is "seventy thousand, one hundred forty-two", and thus it is an iban number.