1145263522 has 8 divisors (see below), whose sum is σ = 1850041116. Its totient is φ = 528583152.

The previous prime is 1145263517. The next prime is 1145263547. The reversal of 1145263522 is 2253625411.

It can be written as a sum of positive squares in 2 ways, for example, as 1130371641 + 14891881 = 33621^2 + 3859^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22024273 + ... + 22024324.

Almost surely, 2^1145263522 is an apocalyptic number.

1145263522 is a deficient number, since it is larger than the sum of its proper divisors (704777594).

1145263522 is a wasteful number, since it uses less digits than its factorization.

1145263522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44048612.

The product of its digits is 14400, while the sum is 31.

The square root of 1145263522 is about 33841.7423014832. The cubic root of 1145263522 is about 1046.2492091327.

Adding to 1145263522 its reverse (2253625411), we get a palindrome (3398888933).

The spelling of 1145263522 in words is "one billion, one hundred forty-five million, two hundred sixty-three thousand, five hundred twenty-two".