142402170303 has 6 divisors (see below), whose sum is σ = 205692023784. Its totient is φ = 94934780196.

The previous prime is 142402170299. The next prime is 142402170319. The reversal of 142402170303 is 303071204241.

It is a happy number.

142402170303 is a `hidden beast` number, since 142 + 4 + 0 + 217 + 0 + 303 = 666.

It is not a de Polignac number, because 142402170303 - 2² = 142402170299 is a prime.

It is a super-2 number, since 2×142402170303² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402170373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7911231675 + ... + 7911231692.

It is an arithmetic number, because the mean of its divisors is an integer number (34282003964).

Almost surely, 2^142402170303 is an apocalyptic number.

142402170303 is a deficient number, since it is larger than the sum of its proper divisors (63289853481).

142402170303 is a wasteful number, since it uses less digits than its factorization.

142402170303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15822463373 (or 15822463370 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

Adding to 142402170303 its reverse (303071204241), we get a palindrome (445473374544).

The spelling of 142402170303 in words is "one hundred forty-two billion, four hundred two million, one hundred seventy thousand, three hundred three".