125544144 has 80 divisors (see below), whose sum is σ = 361405440. Its totient is φ = 37226880.

The previous prime is 125544137. The next prime is 125544149. The reversal of 125544144 is 441445521.

It is a super-2 number, since 2×125544144² = 31522664185385472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125544149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22287 + ... + 27345.

It is an arithmetic number, because the mean of its divisors is an integer number (4517568).

Almost surely, 2^125544144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125544144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180702720).

125544144 is an abundant number, since it is smaller than the sum of its proper divisors (235861296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125544144 is a wasteful number, since it uses less digits than its factorization.

125544144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128 (or 5122 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 125544144 is about 11204.6483211210. The cubic root of 125544144 is about 500.7244750980.

Adding to 125544144 its reverse (441445521), we get a palindrome (566989665).

The spelling of 125544144 in words is "one hundred twenty-five million, five hundred forty-four thousand, one hundred forty-four".