1245543254033 has 32 divisors (see below), whose sum is σ = 1419692883840. Its totient is φ = 1083252925440.

The previous prime is 1245543254027. The next prime is 1245543254069. The reversal of 1245543254033 is 3304523455421.

It is a cyclic number.

It is not a de Polignac number, because 1245543254033 - 2¹⁶ = 1245543188497 is a prime.

It is a super-2 number, since 2×1245543254033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245543254003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199060841 + ... + 199067097.

It is an arithmetic number, because the mean of its divisors is an integer number (44365402620).

Almost surely, 2^{1245543254033} is an apocalyptic number.

1245543254033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1245543254033 is a deficient number, since it is larger than the sum of its proper divisors (174149629807).

1245543254033 is a wasteful number, since it uses less digits than its factorization.

1245543254033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10577.

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 1245543254033 in words is "one trillion, two hundred forty-five billion, five hundred forty-three million, two hundred fifty-four thousand, thirty-three".