45244101 has 16 divisors (see below), whose sum is σ = 70352000. Its totient is φ = 25853184.

The previous prime is 45244099. The next prime is 45244117. The reversal of 45244101 is 10144254.

It is a happy number.

It is not a de Polignac number, because 45244101 - 2¹ = 45244099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244601) 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, 20956 + ... + 23013.

It is an arithmetic number, because the mean of its divisors is an integer number (4397000).

Almost surely, 2^45244101 is an apocalyptic number.

It is an amenable number.

45244101 is a deficient number, since it is larger than the sum of its proper divisors (25107899).

45244101 is an equidigital number, since it uses as much as digits as its factorization.

45244101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43993 (or 43979 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 45244101 is about 6726.3735400288. The cubic root of 45244101 is about 356.3313126797.

Adding to 45244101 its reverse (10144254), we get a palindrome (55388355).

The spelling of 45244101 in words is "forty-five million, two hundred forty-four thousand, one hundred one".