1344616645 has 8 divisors (see below), whose sum is σ = 1614096000. Its totient is φ = 1075322640.

The previous prime is 1344616627. The next prime is 1344616687. The reversal of 1344616645 is 5466164431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344616645 - 2⁵ = 1344616613 is a prime.

It is a super-2 number, since 2×1344616645² = 3615987844022112050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1344616598 and 1344616607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29841 + ... + 59830.

It is an arithmetic number, because the mean of its divisors is an integer number (201762000).

Almost surely, 2^1344616645 is an apocalyptic number.

It is an amenable number.

1344616645 is a deficient number, since it is larger than the sum of its proper divisors (269479355).

1344616645 is an equidigital number, since it uses as much as digits as its factorization.

1344616645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92675.

The product of its digits is 207360, while the sum is 40.

The square root of 1344616645 is about 36669.0147808746. The cubic root of 1344616645 is about 1103.7384222068.

The spelling of 1344616645 in words is "one billion, three hundred forty-four million, six hundred sixteen thousand, six hundred forty-five".