142662613 has 8 divisors (see below), whose sum is σ = 144210456. Its totient is φ = 141120000.

The previous prime is 142662607. The next prime is 142662617. The reversal of 142662613 is 316266241.

It can be written as a sum of positive squares in 4 ways, for example, as 528529 + 142134084 = 727^2 + 11922^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 142662613 - 2⁵ = 142662581 is a prime.

It is a super-2 number, since 2×142662613² = 40705242295975538, 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 (142662617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78313 + ... + 80113.

It is an arithmetic number, because the mean of its divisors is an integer number (18026307).

Almost surely, 2^142662613 is an apocalyptic number.

It is an amenable number.

142662613 is a deficient number, since it is larger than the sum of its proper divisors (1547843).

142662613 is a wasteful number, since it uses less digits than its factorization.

142662613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2615.

The product of its digits is 10368, while the sum is 31.

The square root of 142662613 is about 11944.1455533663. The cubic root of 142662613 is about 522.5205693847.

The spelling of 142662613 in words is "one hundred forty-two million, six hundred sixty-two thousand, six hundred thirteen".