125454445 has 16 divisors (see below), whose sum is σ = 153906480. Its totient is φ = 98136064.

The previous prime is 125454437. The next prime is 125454467. The reversal of 125454445 is 544454521.

It can be written as a sum of positive squares in 8 ways, for example, as 3992004 + 121462441 = 1998^2 + 11021^2 .

It is a cyclic number.

It is not a de Polignac number, because 125454445 - 2³ = 125454437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125454445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102477 + ... + 103693.

It is an arithmetic number, because the mean of its divisors is an integer number (9619155).

Almost surely, 2^125454445 is an apocalyptic number.

It is an amenable number.

125454445 is a deficient number, since it is larger than the sum of its proper divisors (28452035).

125454445 is a wasteful number, since it uses less digits than its factorization.

125454445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its digits is 64000, while the sum is 34.

The square root of 125454445 is about 11200.6448475077. The cubic root of 125454445 is about 500.6051938519.

The spelling of 125454445 in words is "one hundred twenty-five million, four hundred fifty-four thousand, four hundred forty-five".