2544150535445 has 4 divisors (see below), whose sum is σ = 3052980642540. Its totient is φ = 2035320428352.

The previous prime is 2544150535427. The next prime is 2544150535453. The reversal of 2544150535445 is 5445350514452.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1839796544881 + 704353990564 = 1356391^2 + 839258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544150535445 - 2¹⁴ = 2544150519061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2544150535445.

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, 254415053540 + ... + 254415053549.

It is an arithmetic number, because the mean of its divisors is an integer number (763245160635).

Almost surely, 2^{2544150535445} is an apocalyptic number.

It is an amenable number.

2544150535445 is a deficient number, since it is larger than the sum of its proper divisors (508830107095).

2544150535445 is an equidigital number, since it uses as much as digits as its factorization.

2544150535445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508830107094.

The product of its (nonzero) digits is 4800000, while the sum is 47.

The spelling of 2544150535445 in words is "two trillion, five hundred forty-four billion, one hundred fifty million, five hundred thirty-five thousand, four hundred forty-five".