45454554646 has 8 divisors (see below), whose sum is σ = 68279097744. Its totient is φ = 22694855400.

The previous prime is 45454554617. The next prime is 45454554647. The reversal of 45454554646 is 64645545454.

45454554646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45454554646² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45454554593 and 45454554602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45454554647) 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, 16209210 + ... + 16212013.

It is an arithmetic number, because the mean of its divisors is an integer number (8534887218).

Almost surely, 2^45454554646 is an apocalyptic number.

45454554646 is a deficient number, since it is larger than the sum of its proper divisors (22824543098).

45454554646 is a wasteful number, since it uses less digits than its factorization.

45454554646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32421926.

The product of its digits is 23040000, while the sum is 52.

The spelling of 45454554646 in words is "forty-five billion, four hundred fifty-four million, five hundred fifty-four thousand, six hundred forty-six".