1144046345 has 12 divisors (see below), whose sum is σ = 1486584396. Its totient is φ = 844833600.

The previous prime is 1144046341. The next prime is 1144046357. The reversal of 1144046345 is 5436404411.

It can be written as a sum of positive squares in 6 ways, for example, as 152300281 + 991746064 = 12341^2 + 31492^2 .

It is not a de Polignac number, because 1144046345 - 2² = 1144046341 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144046341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676106 + ... + 677795.

It is an arithmetic number, because the mean of its divisors is an integer number (123882033).

Almost surely, 2^1144046345 is an apocalyptic number.

It is an amenable number.

1144046345 is a deficient number, since it is larger than the sum of its proper divisors (342538051).

1144046345 is a wasteful number, since it uses less digits than its factorization.

1144046345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353932 (or 1353919 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 1144046345 is about 33823.7541529618. The cubic root of 1144046345 is about 1045.8784292902.

The spelling of 1144046345 in words is "one billion, one hundred forty-four million, forty-six thousand, three hundred forty-five".