544345143543145 has 12 divisors (see below), whose sum is σ = 759861384048324. Its totient is φ = 373265241286560.

The previous prime is 544345143543139. The next prime is 544345143543169. The reversal of 544345143543145 is 541345341543445.

It can be written as a sum of positive squares in 2 ways, for example, as 385393868365401 + 158951275177744 = 19631451^2 + 12607588^2 .

It is not a de Polignac number, because 544345143543145 - 2³¹ = 544342996059497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110908455966 + ... + 1110908456455.

It is an arithmetic number, because the mean of its divisors is an integer number (63321782004027).

Almost surely, 2^{544345143543145} is an apocalyptic number.

It is an amenable number.

544345143543145 is a deficient number, since it is larger than the sum of its proper divisors (215516240505179).

544345143543145 is a wasteful number, since it uses less digits than its factorization.

544345143543145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221816912440 (or 2221816912433 counting only the distinct ones).

The product of its digits is 69120000, while the sum is 55.

The spelling of 544345143543145 in words is "five hundred forty-four trillion, three hundred forty-five billion, one hundred forty-three million, five hundred forty-three thousand, one hundred forty-five".