125445144133 has 4 divisors (see below), whose sum is σ = 132047520160. Its totient is φ = 118842768108.

The previous prime is 125445144113. The next prime is 125445144151. The reversal of 125445144133 is 331441544521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 331441544521 = 353911 ⋅936511.

It is not a de Polignac number, because 125445144133 - 2¹⁷ = 125445013061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125445144092 and 125445144101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125445144103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301187985 + ... + 3301188022.

It is an arithmetic number, because the mean of its divisors is an integer number (33011880040).

Almost surely, 2^125445144133 is an apocalyptic number.

It is an amenable number.

125445144133 is a deficient number, since it is larger than the sum of its proper divisors (6602376027).

125445144133 is an equidigital number, since it uses as much as digits as its factorization.

125445144133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602376026.

The product of its digits is 115200, while the sum is 37.

Adding to 125445144133 its reverse (331441544521), we get a palindrome (456886688654).

The spelling of 125445144133 in words is "one hundred twenty-five billion, four hundred forty-five million, one hundred forty-four thousand, one hundred thirty-three".