1452450542542 has 16 divisors (see below), whose sum is σ = 2229589118592. Its totient is φ = 709257903480.

The previous prime is 1452450542527. The next prime is 1452450542563. The reversal of 1452450542542 is 2452450542541.

It is a super-2 number, since 2×1452450542542² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147058 + ... + 1710709.

It is an arithmetic number, because the mean of its divisors is an integer number (139349319912).

Almost surely, 2^{1452450542542} is an apocalyptic number.

1452450542542 is a deficient number, since it is larger than the sum of its proper divisors (777138576050).

1452450542542 is a wasteful number, since it uses less digits than its factorization.

1452450542542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866903.

The product of its (nonzero) digits is 1280000, while the sum is 43.

Subtracting 1452450542542 from its reverse (2452450542541), we obtain a palindrome (999999999999).

The spelling of 1452450542542 in words is "one trillion, four hundred fifty-two billion, four hundred fifty million, five hundred forty-two thousand, five hundred forty-two".