1264093345 has 16 divisors (see below), whose sum is σ = 1595917008. Its totient is φ = 959938560.

The previous prime is 1264093343. The next prime is 1264093367. The reversal of 1264093345 is 5433904621.

It can be written as a sum of positive squares in 8 ways, for example, as 22165264 + 1241928081 = 4708^2 + 35241^2 .

It is not a de Polignac number, because 1264093345 - 2¹ = 1264093343 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264093343) 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, 75744 + ... + 90913.

It is an arithmetic number, because the mean of its divisors is an integer number (99744813).

Almost surely, 2^1264093345 is an apocalyptic number.

It is an amenable number.

1264093345 is a deficient number, since it is larger than the sum of its proper divisors (331823663).

1264093345 is a wasteful number, since it uses less digits than its factorization.

1264093345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166740.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 1264093345 is about 35554.0904116531. The cubic root of 1264093345 is about 1081.2506502274.

Adding to 1264093345 its reverse (5433904621), we get a palindrome (6697997966).

The spelling of 1264093345 in words is "one billion, two hundred sixty-four million, ninety-three thousand, three hundred forty-five".