142222505654 has 4 divisors (see below), whose sum is σ = 213333758484. Its totient is φ = 71111252826.

The previous prime is 142222505647. The next prime is 142222505671. The reversal of 142222505654 is 456505222241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456505222241 = 31 ⋅14725974911.

It is a super-2 number, since 2×142222505654² (a number of 23 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 as a sum of consecutive naturals, namely, 35555626412 + ... + 35555626415.

It is an arithmetic number, because the mean of its divisors is an integer number (53333439621).

Almost surely, 2^142222505654 is an apocalyptic number.

142222505654 is a deficient number, since it is larger than the sum of its proper divisors (71111252830).

142222505654 is an equidigital number, since it uses as much as digits as its factorization.

142222505654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71111252829.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 142222505654 its reverse (456505222241), we get a palindrome (598727727895).

The spelling of 142222505654 in words is "one hundred forty-two billion, two hundred twenty-two million, five hundred five thousand, six hundred fifty-four".