16145443245 has 16 divisors (see below), whose sum is σ = 25850164032. Its totient is φ = 8605084800.

The previous prime is 16145443241. The next prime is 16145443261. The reversal of 16145443245 is 54234454161.

It is not a de Polignac number, because 16145443245 - 2² = 16145443241 is a prime.

It is a super-2 number, since 2×16145443245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145443241) 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, 340656 + ... + 385145.

It is an arithmetic number, because the mean of its divisors is an integer number (1615635252).

Almost surely, 2^16145443245 is an apocalyptic number.

16145443245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16145443245 is a deficient number, since it is larger than the sum of its proper divisors (9704720787).

16145443245 is a wasteful number, since it uses less digits than its factorization.

16145443245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727292.

The product of its digits is 230400, while the sum is 39.

The spelling of 16145443245 in words is "sixteen billion, one hundred forty-five million, four hundred forty-three thousand, two hundred forty-five".