545002646 has 4 divisors (see below), whose sum is σ = 817503972. Its totient is φ = 272501322.

The previous prime is 545002613. The next prime is 545002649. The reversal of 545002646 is 646200545.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545002649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136250660 + ... + 136250663.

It is an arithmetic number, because the mean of its divisors is an integer number (204375993).

Almost surely, 2^545002646 is an apocalyptic number.

545002646 is a deficient number, since it is larger than the sum of its proper divisors (272501326).

545002646 is a wasteful number, since it uses less digits than its factorization.

545002646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272501325.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 545002646 is about 23345.2917308823. The cubic root of 545002646 is about 816.8322389454.

The spelling of 545002646 in words is "five hundred forty-five million, two thousand, six hundred forty-six".