133043253445 has 32 divisors (see below), whose sum is σ = 163372865760. Its totient is φ = 103972577280.

The previous prime is 133043253439. The next prime is 133043253457. The reversal of 133043253445 is 544352340331.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 126135361 + 132917118084 = 11231^2 + 364578^2 .

It is not a de Polignac number, because 133043253445 - 2³ = 133043253437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100713385 + ... + 100714705.

It is an arithmetic number, because the mean of its divisors is an integer number (5105402055).

Almost surely, 2^133043253445 is an apocalyptic number.

It is an amenable number.

133043253445 is a deficient number, since it is larger than the sum of its proper divisors (30329612315).

133043253445 is a wasteful number, since it uses less digits than its factorization.

133043253445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 133043253445 its reverse (544352340331), we get a palindrome (677395593776).

The spelling of 133043253445 in words is "one hundred thirty-three billion, forty-three million, two hundred fifty-three thousand, four hundred forty-five".