210453045 has 32 divisors (see below), whose sum is σ = 367994880. Its totient is φ = 101855040.

The previous prime is 210453031. The next prime is 210453053. The reversal of 210453045 is 540354012.

It is not a de Polignac number, because 210453045 - 2¹¹ = 210450997 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158896 + ... + 160214.

It is an arithmetic number, because the mean of its divisors is an integer number (11499840).

Almost surely, 2^210453045 is an apocalyptic number.

It is an amenable number.

210453045 is a deficient number, since it is larger than the sum of its proper divisors (157541835).

210453045 is a wasteful number, since it uses less digits than its factorization.

210453045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 210453045 is about 14506.9998621355. Note that the first 3 decimals coincide. The cubic root of 210453045 is about 594.8193270142.

It can be divided in two parts, 21045 and 3045, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 210453045 in words is "two hundred ten million, four hundred fifty-three thousand, forty-five".