2145550304 has 24 divisors (see below), whose sum is σ = 4263536088. Its totient is φ = 1062747520.

The previous prime is 2145550291. The next prime is 2145550307. The reversal of 2145550304 is 4030555412.

It is a super-2 number, since 2×2145550304² = 9206772213988984832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145550307) 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, 309887 + ... + 316734.

It is an arithmetic number, because the mean of its divisors is an integer number (177647337).

Almost surely, 2^2145550304 is an apocalyptic number.

It is an amenable number.

2145550304 is a deficient number, since it is larger than the sum of its proper divisors (2117985784).

2145550304 is a wasteful number, since it uses less digits than its factorization.

2145550304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626738 (or 626730 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2145550304 is about 46320.0853194378. The cubic root of 2145550304 is about 1289.7718691991.

The spelling of 2145550304 in words is "two billion, one hundred forty-five million, five hundred fifty thousand, three hundred four".