142272102445 has 16 divisors (see below), whose sum is σ = 186276372480. Its totient is φ = 103454366400.

The previous prime is 142272102421. The next prime is 142272102457. The reversal of 142272102445 is 544201272241.

It is a de Polignac number, because none of the positive numbers 2^k-142272102445 is a prime.

It is a super-2 number, since 2×142272102445² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142272102445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155860 + ... + 555730.

It is an arithmetic number, because the mean of its divisors is an integer number (11642273280).

Almost surely, 2^142272102445 is an apocalyptic number.

It is an amenable number.

142272102445 is a deficient number, since it is larger than the sum of its proper divisors (44004270035).

142272102445 is a wasteful number, since it uses less digits than its factorization.

142272102445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406356.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 142272102445 its reverse (544201272241), we get a palindrome (686473374686).

The spelling of 142272102445 in words is "one hundred forty-two billion, two hundred seventy-two million, one hundred two thousand, four hundred forty-five".