36144643221542 has 32 divisors (see below), whose sum is σ = 54719900373600. Its totient is φ = 17905218650368.

The previous prime is 36144643221539. The next prime is 36144643221553. The reversal of 36144643221542 is 24512234644163.

It is a happy number.

It is a super-2 number, since 2×36144643221542² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416883548 + ... + 416970240.

It is an arithmetic number, because the mean of its divisors is an integer number (1709996886675).

Almost surely, 2^{36144643221542} is an apocalyptic number.

36144643221542 is a deficient number, since it is larger than the sum of its proper divisors (18575257152058).

36144643221542 is a wasteful number, since it uses less digits than its factorization.

36144643221542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89800.

The product of its digits is 3317760, while the sum is 47.

The spelling of 36144643221542 in words is "thirty-six trillion, one hundred forty-four billion, six hundred forty-three million, two hundred twenty-one thousand, five hundred forty-two".