2545174542 has 8 divisors (see below), whose sum is σ = 5090349096. Its totient is φ = 848391512.

The previous prime is 2545174529. The next prime is 2545174579. The reversal of 2545174542 is 2454715452.

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

2545174542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2545174542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212097873 + ... + 212097884.

It is an arithmetic number, because the mean of its divisors is an integer number (636293637).

Almost surely, 2^2545174542 is an apocalyptic number.

2545174542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2545174542 is a wasteful number, since it uses less digits than its factorization.

2545174542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424195762.

The product of its digits is 224000, while the sum is 39.

The square root of 2545174542 is about 50449.7229130151. The cubic root of 2545174542 is about 1365.3348956223.

Adding to 2545174542 its reverse (2454715452), we get a palindrome (4999889994).

The spelling of 2545174542 in words is "two billion, five hundred forty-five million, one hundred seventy-four thousand, five hundred forty-two".