11230142045 has 8 divisors (see below), whose sum is σ = 13481472600. Its totient is φ = 8980578880.

The previous prime is 11230142039. The next prime is 11230142083. The reversal of 11230142045 is 54024103211.

It can be written as a sum of positive squares in 4 ways, for example, as 3434311609 + 7795830436 = 58603^2 + 88294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11230142045 is a prime.

It is a super-2 number, since 2×11230142045² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11230142045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427826 + ... + 453315.

It is an arithmetic number, because the mean of its divisors is an integer number (1685184075).

Almost surely, 2^11230142045 is an apocalyptic number.

It is an amenable number.

11230142045 is a deficient number, since it is larger than the sum of its proper divisors (2251330555).

11230142045 is an equidigital number, since it uses as much as digits as its factorization.

11230142045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883695.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 11230142045 its reverse (54024103211), we get a palindrome (65254245256).

The spelling of 11230142045 in words is "eleven billion, two hundred thirty million, one hundred forty-two thousand, forty-five".