146422597988 has 6 divisors (see below), whose sum is σ = 256239546486. Its totient is φ = 73211298992.

The previous prime is 146422597973. The next prime is 146422598093. The reversal of 146422597988 is 889795224641.

It can be written as a sum of positive squares in only one way, i.e., 100813870144 + 45608727844 = 317512^2 + 213562^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18302824745 + ... + 18302824752.

It is an arithmetic number, because the mean of its divisors is an integer number (42706591081).

Almost surely, 2^146422597988 is an apocalyptic number.

It is an amenable number.

146422597988 is a deficient number, since it is larger than the sum of its proper divisors (109816948498).

146422597988 is a wasteful number, since it uses less digits than its factorization.

146422597988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36605649501 (or 36605649499 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 65.

The spelling of 146422597988 in words is "one hundred forty-six billion, four hundred twenty-two million, five hundred ninety-seven thousand, nine hundred eighty-eight".