212550045 has 8 divisors (see below), whose sum is σ = 340080096. Its totient is φ = 113360016.

The previous prime is 212550029. The next prime is 212550083. The reversal of 212550045 is 540055212.

It is a happy number.

212550045 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 not a de Polignac number, because 212550045 - 2⁴ = 212550029 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 212549997 and 212550024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7084987 + ... + 7085016.

It is an arithmetic number, because the mean of its divisors is an integer number (42510012).

Almost surely, 2^212550045 is an apocalyptic number.

It is an amenable number.

212550045 is a deficient number, since it is larger than the sum of its proper divisors (127530051).

212550045 is a wasteful number, since it uses less digits than its factorization.

212550045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14170011.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 212550045 is about 14579.0961654007. The cubic root of 212550045 is about 596.7884376721.

The spelling of 212550045 in words is "two hundred twelve million, five hundred fifty thousand, forty-five".