45144101 has 4 divisors (see below), whose sum is σ = 47106912. Its totient is φ = 43181292.

The previous prime is 45144089. The next prime is 45144119. The reversal of 45144101 is 10144154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45144101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 981371 + ... + 981416.

It is an arithmetic number, because the mean of its divisors is an integer number (11776728).

Almost surely, 2^45144101 is an apocalyptic number.

It is an amenable number.

45144101 is a deficient number, since it is larger than the sum of its proper divisors (1962811).

45144101 is a wasteful number, since it uses less digits than its factorization.

45144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962810.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 45144101 is about 6718.9360020765. The cubic root of 45144101 is about 356.0685939659.

Adding to 45144101 its reverse (10144154), we get a palindrome (55288255).

The spelling of 45144101 in words is "forty-five million, one hundred forty-four thousand, one hundred one".