6345145445 has 16 divisors (see below), whose sum is σ = 7805391552. Its totient is φ = 4948813440.

The previous prime is 6345145381. The next prime is 6345145507. The reversal of 6345145445 is 5445415436.

It is not a de Polignac number, because 6345145445 - 2⁶ = 6345145381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

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, 302054 + ... + 322376.

It is an arithmetic number, because the mean of its divisors is an integer number (487836972).

Almost surely, 2^6345145445 is an apocalyptic number.

It is an amenable number.

6345145445 is a deficient number, since it is larger than the sum of its proper divisors (1460246107).

6345145445 is a wasteful number, since it uses less digits than its factorization.

6345145445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21892.

The product of its digits is 576000, while the sum is 41.

The square root of 6345145445 is about 79656.4212414793. The cubic root of 6345145445 is about 1851.3158833819.

The spelling of 6345145445 in words is "six billion, three hundred forty-five million, one hundred forty-five thousand, four hundred forty-five".