44145342015223 has 4 divisors (see below), whose sum is σ = 44155322879248. Its totient is φ = 44135361151200.

The previous prime is 44145342015221. The next prime is 44145342015239. The reversal of 44145342015223 is 32251024354144.

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

It is a cyclic number.

It is not a de Polignac number, because 44145342015223 - 2¹ = 44145342015221 is a prime.

It is a super-2 number, since 2×44145342015223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145342015221) 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, 4990425378 + ... + 4990434223.

It is an arithmetic number, because the mean of its divisors is an integer number (11038830719812).

Almost surely, 2^{44145342015223} is an apocalyptic number.

44145342015223 is a deficient number, since it is larger than the sum of its proper divisors (9980864025).

44145342015223 is an equidigital number, since it uses as much as digits as its factorization.

44145342015223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9980864024.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 44145342015223 its reverse (32251024354144), we get a palindrome (76396366369367).

The spelling of 44145342015223 in words is "forty-four trillion, one hundred forty-five billion, three hundred forty-two million, fifteen thousand, two hundred twenty-three".