142752421654 has 32 divisors (see below), whose sum is σ = 219619239840. Its totient is φ = 69565047552.

The previous prime is 142752421633. The next prime is 142752421673. The reversal of 142752421654 is 456124257241.

It is a self number, because there is not a number n which added to its sum of digits gives 142752421654.

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, 14257402 + ... + 14267410.

It is an arithmetic number, because the mean of its divisors is an integer number (6863101245).

Almost surely, 2^142752421654 is an apocalyptic number.

142752421654 is a deficient number, since it is larger than the sum of its proper divisors (76866818186).

142752421654 is a wasteful number, since it uses less digits than its factorization.

142752421654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10944.

The product of its digits is 537600, while the sum is 43.

Adding to 142752421654 its reverse (456124257241), we get a palindrome (598876678895).

The spelling of 142752421654 in words is "one hundred forty-two billion, seven hundred fifty-two million, four hundred twenty-one thousand, six hundred fifty-four".