545001646 has 16 divisors (see below), whose sum is σ = 944788320. Its totient is φ = 230947200.

The previous prime is 545001637. The next prime is 545001649. The reversal of 545001646 is 646100545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545001649) 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, 217455 + ... + 219946.

It is an arithmetic number, because the mean of its divisors is an integer number (59049270).

Almost surely, 2^545001646 is an apocalyptic number.

545001646 is a deficient number, since it is larger than the sum of its proper divisors (399786674).

545001646 is a wasteful number, since it uses less digits than its factorization.

545001646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437499.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 545001646 is about 23345.2703132776. The cubic root of 545001646 is about 816.8317393560.

The spelling of 545001646 in words is "five hundred forty-five million, one thousand, six hundred forty-six".