146161234644 has 48 divisors (see below), whose sum is σ = 346550933568. Its totient is φ = 47939355648.

The previous prime is 146161234631. The next prime is 146161234649. The reversal of 146161234644 is 446432161641.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 146161234596 and 146161234605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146161234649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161542 + ... + 564285.

It is an arithmetic number, because the mean of its divisors is an integer number (7219811116).

Almost surely, 2^146161234644 is an apocalyptic number.

It is an amenable number.

146161234644 is an abundant number, since it is smaller than the sum of its proper divisors (200389698924).

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

146161234644 is a wasteful number, since it uses less digits than its factorization.

146161234644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726104 (or 726102 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 146161234644 in words is "one hundred forty-six billion, one hundred sixty-one million, two hundred thirty-four thousand, six hundred forty-four".