203214245 has 16 divisors (see below), whose sum is σ = 269024112. Its totient is φ = 146403840.

The previous prime is 203214239. The next prime is 203214251. The reversal of 203214245 is 542412302.

It is a happy number.

203214245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (203214239) and next prime (203214251).

It can be written as a sum of positive squares in 8 ways, for example, as 76020961 + 127193284 = 8719^2 + 11278^2 .

It is not a de Polignac number, because 203214245 - 2¹⁶ = 203148709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203214245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35462 + ... + 40791.

It is an arithmetic number, because the mean of its divisors is an integer number (16814007).

Almost surely, 2^203214245 is an apocalyptic number.

It is an amenable number.

203214245 is a deficient number, since it is larger than the sum of its proper divisors (65809867).

203214245 is a wasteful number, since it uses less digits than its factorization.

203214245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76312.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 203214245 is about 14255.3233916316. The cubic root of 203214245 is about 587.9197495258.

Adding to 203214245 its reverse (542412302), we get a palindrome (745626547).

The spelling of 203214245 in words is "two hundred three million, two hundred fourteen thousand, two hundred forty-five".