44999136 has 288 divisors, whose sum is σ = 168412608. Its totient is φ = 11059200.

The previous prime is 44999089. The next prime is 44999137. The reversal of 44999136 is 63199944.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 44999091 and 44999100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44999137) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 445486 + ... + 445586.

It is an arithmetic number, because the mean of its divisors is an integer number (584766).

Almost surely, 2^44999136 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 44999136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84206304).

44999136 is an abundant number, since it is smaller than the sum of its proper divisors (123413472).

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

44999136 is a wasteful number, since it uses less digits than its factorization.

44999136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 143 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 44999136 is about 6708.1395334325. The cubic root of 44999136 is about 355.6870540227.

The spelling of 44999136 in words is "forty-four million, nine hundred ninety-nine thousand, one hundred thirty-six".