45018214 has 4 divisors (see below), whose sum is σ = 67527324. Its totient is φ = 22509106.

The previous prime is 45018209. The next prime is 45018251. The reversal of 45018214 is 41281054.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11254552 + ... + 11254555.

It is an arithmetic number, because the mean of its divisors is an integer number (16881831).

Almost surely, 2^45018214 is an apocalyptic number.

45018214 is a deficient number, since it is larger than the sum of its proper divisors (22509110).

45018214 is a wasteful number, since it uses less digits than its factorization.

45018214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22509109.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 45018214 is about 6709.5613865587. The cubic root of 45018214 is about 355.7373130534.

Adding to 45018214 its reverse (41281054), we get a palindrome (86299268).

The spelling of 45018214 in words is "forty-five million, eighteen thousand, two hundred fourteen".