1145312462 has 32 divisors (see below), whose sum is σ = 2063577600. Its totient is φ = 466111008.

The previous prime is 1145312459. The next prime is 1145312473. The reversal of 1145312462 is 2642135411.

It is a super-2 number, since 2×1145312462² = 2623481271225002888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31964 + ... + 57552.

It is an arithmetic number, because the mean of its divisors is an integer number (64486800).

Almost surely, 2^1145312462 is an apocalyptic number.

1145312462 is a deficient number, since it is larger than the sum of its proper divisors (918265138).

1145312462 is a wasteful number, since it uses less digits than its factorization.

1145312462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25760.

The product of its digits is 5760, while the sum is 29.

The square root of 1145312462 is about 33842.4653652774. The cubic root of 1145312462 is about 1046.2641118767.

Adding to 1145312462 its reverse (2642135411), we get a palindrome (3787447873).

The spelling of 1145312462 in words is "one billion, one hundred forty-five million, three hundred twelve thousand, four hundred sixty-two".