2545453055542 has 4 divisors (see below), whose sum is σ = 3818179583316. Its totient is φ = 1272726527770.

The previous prime is 2545453055533. The next prime is 2545453055557. The reversal of 2545453055542 is 2455503545452.

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

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, 636363263884 + ... + 636363263887.

It is an arithmetic number, because the mean of its divisors is an integer number (954544895829).

Almost surely, 2^{2545453055542} is an apocalyptic number.

2545453055542 is a deficient number, since it is larger than the sum of its proper divisors (1272726527774).

2545453055542 is a wasteful number, since it uses less digits than its factorization.

2545453055542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272726527773.

The product of its (nonzero) digits is 12000000, while the sum is 49.

The spelling of 2545453055542 in words is "two trillion, five hundred forty-five billion, four hundred fifty-three million, fifty-five thousand, five hundred forty-two".