142451450564615 has 16 divisors (see below), whose sum is σ = 172249774826976. Its totient is φ = 113089169356800.

The previous prime is 142451450564603. The next prime is 142451450564617. The reversal of 142451450564615 is 516465054154241.

It is a de Polignac number, because none of the positive numbers 2^k-142451450564615 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142451450564617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34545719 + ... + 38448791.

It is an arithmetic number, because the mean of its divisors is an integer number (10765610926686).

Almost surely, 2^{142451450564615} is an apocalyptic number.

142451450564615 is a deficient number, since it is larger than the sum of its proper divisors (29798324262361).

142451450564615 is a wasteful number, since it uses less digits than its factorization.

142451450564615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958930.

The product of its (nonzero) digits is 11520000, while the sum is 53.

The spelling of 142451450564615 in words is "one hundred forty-two trillion, four hundred fifty-one billion, four hundred fifty million, five hundred sixty-four thousand, six hundred fifteen".