1145731315282 has 8 divisors (see below), whose sum is σ = 1718601523452. Its totient is φ = 572864140800.

The previous prime is 1145731315273. The next prime is 1145731315283. The reversal of 1145731315282 is 2825131375411.

It can be written as a sum of positive squares in 2 ways, for example, as 846917118961 + 298814196321 = 920281^2 + 546639^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1145731315283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016782 + ... + 1823542.

Almost surely, 2^{1145731315282} is an apocalyptic number.

1145731315282 is a deficient number, since it is larger than the sum of its proper divisors (572870208170).

1145731315282 is an equidigital number, since it uses as much as digits as its factorization.

1145731315282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516844.

The product of its digits is 201600, while the sum is 43.

The spelling of 1145731315282 in words is "one trillion, one hundred forty-five billion, seven hundred thirty-one million, three hundred fifteen thousand, two hundred eighty-two".