1140201445 has 4 divisors (see below), whose sum is σ = 1368241740. Its totient is φ = 912161152.

The previous prime is 1140201443. The next prime is 1140201473. The reversal of 1140201445 is 5441020411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203290564 + 936910881 = 14258^2 + 30609^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140201445 - 2¹ = 1140201443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140201443) 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, 114020140 + ... + 114020149.

It is an arithmetic number, because the mean of its divisors is an integer number (342060435).

Almost surely, 2^1140201445 is an apocalyptic number.

It is an amenable number.

1140201445 is a deficient number, since it is larger than the sum of its proper divisors (228040295).

1140201445 is an equidigital number, since it uses as much as digits as its factorization.

1140201445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228040294.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1140201445 is about 33766.8690434870. The cubic root of 1140201445 is about 1044.7054548638.

Adding to 1140201445 its reverse (5441020411), we get a palindrome (6581221856).

The spelling of 1140201445 in words is "one billion, one hundred forty million, two hundred one thousand, four hundred forty-five".