142455620213654 has 16 divisors (see below), whose sum is σ = 233502298246800. Its totient is φ = 64643359772160.

The previous prime is 142455620213617. The next prime is 142455620213693. The reversal of 142455620213654 is 456312026554241.

It is a super-2 number, since 2×142455620213654² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5459730179 + ... + 5459756270.

It is an arithmetic number, because the mean of its divisors is an integer number (14593893640425).

Almost surely, 2^{142455620213654} is an apocalyptic number.

142455620213654 is a deficient number, since it is larger than the sum of its proper divisors (91046678033146).

142455620213654 is a wasteful number, since it uses less digits than its factorization.

142455620213654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919487055.

The product of its (nonzero) digits is 6912000, while the sum is 50.

Adding to 142455620213654 its reverse (456312026554241), we get a palindrome (598767646767895).

The spelling of 142455620213654 in words is "one hundred forty-two trillion, four hundred fifty-five billion, six hundred twenty million, two hundred thirteen thousand, six hundred fifty-four".