16145340133 has 6 divisors (see below), whose sum is σ = 17482824114. Its totient is φ = 14903390736.

The previous prime is 16145340131. The next prime is 16145340173. The reversal of 16145340133 is 33104354161.

It can be written as a sum of positive squares in 3 ways, for example, as 2319578244 + 13825761889 = 48162^2 + 117583^2 .

It is not a de Polignac number, because 16145340133 - 2¹ = 16145340131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16145340095 and 16145340104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145340131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47767110 + ... + 47767447.

It is an arithmetic number, because the mean of its divisors is an integer number (2913804019).

Almost surely, 2^16145340133 is an apocalyptic number.

16145340133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16145340133 is a deficient number, since it is larger than the sum of its proper divisors (1337483981).

16145340133 is an equidigital number, since it uses as much as digits as its factorization.

16145340133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95534583 (or 95534570 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 16145340133 its reverse (33104354161), we get a palindrome (49249694294).

The spelling of 16145340133 in words is "sixteen billion, one hundred forty-five million, three hundred forty thousand, one hundred thirty-three".