1264334145 has 16 divisors (see below), whose sum is σ = 2026829952. Its totient is φ = 673013120.

The previous prime is 1264334111. The next prime is 1264334171. The reversal of 1264334145 is 5414334621.

It is a happy number.

It is not a de Polignac number, because 1264334145 - 2¹² = 1264330049 is a prime.

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, 73077 + ... + 88706.

It is an arithmetic number, because the mean of its divisors is an integer number (126676872).

Almost surely, 2^1264334145 is an apocalyptic number.

1264334145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1264334145 is a deficient number, since it is larger than the sum of its proper divisors (762495807).

1264334145 is a wasteful number, since it uses less digits than its factorization.

1264334145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162312.

The product of its digits is 34560, while the sum is 33.

The square root of 1264334145 is about 35557.4766399417. The cubic root of 1264334145 is about 1081.3193024955.

Adding to 1264334145 its reverse (5414334621), we get a palindrome (6678668766).

The spelling of 1264334145 in words is "one billion, two hundred sixty-four million, three hundred thirty-four thousand, one hundred forty-five".