1145036637 has 24 divisors (see below), whose sum is σ = 1694579744. Its totient is φ = 744647904.

The previous prime is 1145036617. The next prime is 1145036663. The reversal of 1145036637 is 7366305411.

1145036637 is a `hidden beast` number, since 1 + 14 + 5 + 0 + 3 + 6 + 637 = 666.

It is not a de Polignac number, because 1145036637 - 2⁶ = 1145036573 is a prime.

It is a super-2 number, since 2×1145036637² = 2622217800144539538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145036617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421638 + ... + 424344.

Almost surely, 2^1145036637 is an apocalyptic number.

It is an amenable number.

1145036637 is a deficient number, since it is larger than the sum of its proper divisors (549543107).

1145036637 is a wasteful number, since it uses less digits than its factorization.

1145036637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849 (or 3846 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 1145036637 is about 33838.3899882958. The cubic root of 1145036637 is about 1046.1801147207.

The spelling of 1145036637 in words is "one billion, one hundred forty-five million, thirty-six thousand, six hundred thirty-seven".