125444883145 has 8 divisors (see below), whose sum is σ = 150543666504. Its totient is φ = 100349368704.

The previous prime is 125444883133. The next prime is 125444883191. The reversal of 125444883145 is 541388444521.

It can be written as a sum of positive squares in 4 ways, for example, as 53866696464 + 71578186681 = 232092^2 + 267541^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125444883145 - 2⁷ = 125444883017 is a prime.

It is a Duffinian 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, 731994 + ... + 886963.

It is an arithmetic number, because the mean of its divisors is an integer number (18817958313).

Almost surely, 2^125444883145 is an apocalyptic number.

It is an amenable number.

125444883145 is a deficient number, since it is larger than the sum of its proper divisors (25098783359).

125444883145 is a wasteful number, since it uses less digits than its factorization.

125444883145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634459.

The product of its digits is 2457600, while the sum is 49.

The spelling of 125444883145 in words is "one hundred twenty-five billion, four hundred forty-four million, eight hundred eighty-three thousand, one hundred forty-five".