1545453551456 has 48 divisors (see below), whose sum is σ = 3175476460128. Its totient is φ = 738995558400.

The previous prime is 1545453551449. The next prime is 1545453551491. The reversal of 1545453551456 is 6541553545451.

It is a junction number, because it is equal to n+sod(n) for n = 1545453551398 and 1545453551407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919496 + ... + 4295736.

It is an arithmetic number, because the mean of its divisors is an integer number (66155759586).

Almost surely, 2^{1545453551456} is an apocalyptic number.

1545453551456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1545453551456 is an abundant number, since it is smaller than the sum of its proper divisors (1630022908672).

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

1545453551456 is a wasteful number, since it uses less digits than its factorization.

1545453551456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381855 (or 381847 counting only the distinct ones).

The product of its digits is 18000000, while the sum is 53.

The spelling of 1545453551456 in words is "one trillion, five hundred forty-five billion, four hundred fifty-three million, five hundred fifty-one thousand, four hundred fifty-six".