45521354646 has 16 divisors (see below), whose sum is σ = 101158566000. Its totient is φ = 15173784864.

The previous prime is 45521354623. The next prime is 45521354653. The reversal of 45521354646 is 64645312554.

45521354646 is a `hidden beast` number, since 4 + 5 + 52 + 13 + 546 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421493971 + ... + 421494078.

It is an arithmetic number, because the mean of its divisors is an integer number (6322410375).

Almost surely, 2^45521354646 is an apocalyptic number.

45521354646 is an abundant number, since it is smaller than the sum of its proper divisors (55637211354).

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

45521354646 is a wasteful number, since it uses less digits than its factorization.

45521354646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842988060 (or 842988054 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 45521354646 in words is "forty-five billion, five hundred twenty-one million, three hundred fifty-four thousand, six hundred forty-six".