1545144042522 has 16 divisors (see below), whose sum is σ = 3122146726272. Its totient is φ = 509738240640.

The previous prime is 1545144042499. The next prime is 1545144042523. The reversal of 1545144042522 is 2252404415451.

It is a super-2 number, since 2×1545144042522² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1545144042523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327442754 + ... + 1327443917.

It is an arithmetic number, because the mean of its divisors is an integer number (195134170392).

Almost surely, 2^{1545144042522} is an apocalyptic number.

1545144042522 is an abundant number, since it is smaller than the sum of its proper divisors (1577002683750).

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

1545144042522 is a wasteful number, since it uses less digits than its factorization.

1545144042522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654886773.

The product of its (nonzero) digits is 256000, while the sum is 39.

Adding to 1545144042522 its reverse (2252404415451), we get a palindrome (3797548457973).

The spelling of 1545144042522 in words is "one trillion, five hundred forty-five billion, one hundred forty-four million, forty-two thousand, five hundred twenty-two".