16145340232 has 64 divisors (see below), whose sum is σ = 36912205440. Its totient is φ = 6462643200.

The previous prime is 16145340229. The next prime is 16145340271. The reversal of 16145340232 is 23204354161.

It is a super-2 number, since 2×16145340232² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16145340194 and 16145340203.

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, 59982 + ... + 189442.

It is an arithmetic number, because the mean of its divisors is an integer number (576753210).

Almost surely, 2^16145340232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16145340232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18456102720).

16145340232 is an abundant number, since it is smaller than the sum of its proper divisors (20766865208).

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

16145340232 is a wasteful number, since it uses less digits than its factorization.

16145340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129622 (or 129618 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 16145340232 its reverse (23204354161), we get a palindrome (39349694393).

The spelling of 16145340232 in words is "sixteen billion, one hundred forty-five million, three hundred forty thousand, two hundred thirty-two".