146631440144 has 40 divisors (see below), whose sum is σ = 343782960768. Its totient is φ = 59145454080.

The previous prime is 146631440099. The next prime is 146631440233. The reversal of 146631440144 is 441044136641.

It is a junction number, because it is equal to n+sod(n) for n = 146631440098 and 146631440107.

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, 38504252 + ... + 38508059.

Almost surely, 2^146631440144 is an apocalyptic number.

146631440144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

146631440144 is an abundant number, since it is smaller than the sum of its proper divisors (197151520624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146631440144 is a wasteful number, since it uses less digits than its factorization.

146631440144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77012343 (or 77012337 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 146631440144 its reverse (441044136641), we get a palindrome (587675576785).

The spelling of 146631440144 in words is "one hundred forty-six billion, six hundred thirty-one million, four hundred forty thousand, one hundred forty-four".