44164244246145 has 32 divisors (see below), whose sum is σ = 73101097036800. Its totient is φ = 22741531701504.

The previous prime is 44164244246119. The next prime is 44164244246147. The reversal of 44164244246145 is 54164244246144.

It is a happy number.

It is not a de Polignac number, because 44164244246145 - 2⁸ = 44164244245889 is a prime.

It is a super-2 number, since 2×44164244246145² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44164244246147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18428059 + ... + 20686271.

It is an arithmetic number, because the mean of its divisors is an integer number (2284409282400).

Almost surely, 2^{44164244246145} is an apocalyptic number.

It is an amenable number.

44164244246145 is a deficient number, since it is larger than the sum of its proper divisors (28936852790655).

44164244246145 is a wasteful number, since it uses less digits than its factorization.

44164244246145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303209.

The product of its digits is 11796480, while the sum is 51.

Subtracting 44164244246145 from its reverse (54164244246144), we obtain a palindrome (9999999999999).

The spelling of 44164244246145 in words is "forty-four trillion, one hundred sixty-four billion, two hundred forty-four million, two hundred forty-six thousand, one hundred forty-five".