2541444155145 has 48 divisors (see below), whose sum is σ = 5091047095680. Its totient is φ = 1148749062912.

The previous prime is 2541444155123. The next prime is 2541444155177. The reversal of 2541444155145 is 5415514441452.

2541444155145 is a `hidden beast` number, since 2 + 5 + 4 + 14 + 4 + 41 + 551 + 45 = 666.

It is not a de Polignac number, because 2541444155145 - 2¹⁹ = 2541443630857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2541444155145.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45298239 + ... + 45354308.

It is an arithmetic number, because the mean of its divisors is an integer number (106063481160).

Almost surely, 2^{2541444155145} is an apocalyptic number.

It is an amenable number.

2541444155145 is an abundant number, since it is smaller than the sum of its proper divisors (2549602940535).

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

2541444155145 is a wasteful number, since it uses less digits than its factorization.

2541444155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90652654 (or 90652651 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 45.

Adding to 2541444155145 its reverse (5415514441452), we get a palindrome (7956958596597).

The spelling of 2541444155145 in words is "two trillion, five hundred forty-one billion, four hundred forty-four million, one hundred fifty-five thousand, one hundred forty-five".