16145204453 has 32 divisors (see below), whose sum is σ = 20860747776. Its totient is φ = 12168592128.

The previous prime is 16145204441. The next prime is 16145204461. The reversal of 16145204453 is 35440254161.

It is not a de Polignac number, because 16145204453 - 2⁸ = 16145204197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145204353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49100 + ... + 186282.

It is an arithmetic number, because the mean of its divisors is an integer number (651898368).

Almost surely, 2^16145204453 is an apocalyptic number.

It is an amenable number.

16145204453 is a deficient number, since it is larger than the sum of its proper divisors (4715543323).

16145204453 is a wasteful number, since it uses less digits than its factorization.

16145204453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137273.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 16145204453 in words is "sixteen billion, one hundred forty-five million, two hundred four thousand, four hundred fifty-three".