1145961837 has 10 divisors (see below), whose sum is σ = 1711869038. Its totient is φ = 763974504.

The previous prime is 1145961833. The next prime is 1145961881. The reversal of 1145961837 is 7381695411.

1145961837 is a `hidden beast` number, since 1 + 14 + 596 + 18 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 973065636 + 172896201 = 31194^2 + 13149^2 .

It is not a de Polignac number, because 1145961837 - 2² = 1145961833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145961792 and 1145961801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145961833) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7073758 + ... + 7073919.

Almost surely, 2^1145961837 is an apocalyptic number.

It is an amenable number.

1145961837 is a deficient number, since it is larger than the sum of its proper divisors (565907201).

1145961837 is an equidigital number, since it uses as much as digits as its factorization.

1145961837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14147689 (or 14147680 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 1145961837 is about 33852.0580910526. The cubic root of 1145961837 is about 1046.4618132068.

The spelling of 1145961837 in words is "one billion, one hundred forty-five million, nine hundred sixty-one thousand, eight hundred thirty-seven".