45344123612646 has 16 divisors (see below), whose sum is σ = 90719551453104. Its totient is φ = 15109490499584.

The previous prime is 45344123612621. The next prime is 45344123612647. The reversal of 45344123612646 is 64621632144354.

It is a super-2 number, since 2×45344123612646² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45344123612647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304323995 + ... + 1304358758.

It is an arithmetic number, because the mean of its divisors is an integer number (5669971965819).

Almost surely, 2^{45344123612646} is an apocalyptic number.

45344123612646 is an abundant number, since it is smaller than the sum of its proper divisors (45375427840458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45344123612646 is a wasteful number, since it uses less digits than its factorization.

45344123612646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608685655.

The product of its digits is 9953280, while the sum is 51.

The spelling of 45344123612646 in words is "forty-five trillion, three hundred forty-four billion, one hundred twenty-three million, six hundred twelve thousand, six hundred forty-six".