44145403 has 4 divisors (see below), whose sum is σ = 45338560. Its totient is φ = 42952248.

The previous prime is 44145389. The next prime is 44145407. The reversal of 44145403 is 30454144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44145403 is a prime.

It is a super-3 number, since 3×44145403³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44145407) 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, 596523 + ... + 596596.

It is an arithmetic number, because the mean of its divisors is an integer number (11334640).

Almost surely, 2^44145403 is an apocalyptic number.

44145403 is a deficient number, since it is larger than the sum of its proper divisors (1193157).

44145403 is a wasteful number, since it uses less digits than its factorization.

44145403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193156.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44145403 is about 6644.2007043737. The cubic root of 44145403 is about 353.4232871916.

Adding to 44145403 its reverse (30454144), we get a palindrome (74599547).

The spelling of 44145403 in words is "forty-four million, one hundred forty-five thousand, four hundred three".