2265143546542 has 4 divisors (see below), whose sum is σ = 3397715319816. Its totient is φ = 1132571773270.

The previous prime is 2265143546507. The next prime is 2265143546551. The reversal of 2265143546542 is 2456453415622.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566285886634 + ... + 566285886637.

It is an arithmetic number, because the mean of its divisors is an integer number (849428829954).

Almost surely, 2^{2265143546542} is an apocalyptic number.

2265143546542 is a deficient number, since it is larger than the sum of its proper divisors (1132571773274).

2265143546542 is a wasteful number, since it uses less digits than its factorization.

2265143546542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132571773273.

The product of its digits is 6912000, while the sum is 49.

The spelling of 2265143546542 in words is "two trillion, two hundred sixty-five billion, one hundred forty-three million, five hundred forty-six thousand, five hundred forty-two".