1144886517 has 12 divisors (see below), whose sum is σ = 1657981260. Its totient is φ = 761293248.

The previous prime is 1144886503. The next prime is 1144886527. The reversal of 1144886517 is 7156884411.

1144886517 is a `hidden beast` number, since 1 + 14 + 48 + 86 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 394181316 + 750705201 = 19854^2 + 27399^2 .

It is not a de Polignac number, because 1144886517 - 2⁶ = 1144886453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144886527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160008 + ... + 167009.

It is an arithmetic number, because the mean of its divisors is an integer number (138165105).

Almost surely, 2^1144886517 is an apocalyptic number.

It is an amenable number.

1144886517 is a deficient number, since it is larger than the sum of its proper divisors (513094743).

1144886517 is a wasteful number, since it uses less digits than its factorization.

1144886517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327412 (or 327409 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 1144886517 is about 33836.1717249455. The cubic root of 1144886517 is about 1046.1343929165.

The spelling of 1144886517 in words is "one billion, one hundred forty-four million, eight hundred eighty-six thousand, five hundred seventeen".