146423324642 has 32 divisors (see below), whose sum is σ = 258620815872. Its totient is φ = 60874136064.

The previous prime is 146423324557. The next prime is 146423324659. The reversal of 146423324642 is 246423324641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 146423324642.

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, 910283 + ... + 1058990.

It is an arithmetic number, because the mean of its divisors is an integer number (8081900496).

Almost surely, 2^146423324642 is an apocalyptic number.

146423324642 is a deficient number, since it is larger than the sum of its proper divisors (112197491230).

146423324642 is a wasteful number, since it uses less digits than its factorization.

146423324642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969442.

The product of its digits is 663552, while the sum is 41.

Subtracting 146423324642 from its reverse (246423324641), we obtain a palindrome (99999999999).

The spelling of 146423324642 in words is "one hundred forty-six billion, four hundred twenty-three million, three hundred twenty-four thousand, six hundred forty-two".