140222045 has 16 divisors (see below), whose sum is σ = 173352960. Its totient is φ = 108805824.

The previous prime is 140222029. The next prime is 140222057. The reversal of 140222045 is 540222041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140222045 - 2⁴ = 140222029 is a prime.

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, 69866 + ... + 71844.

It is an arithmetic number, because the mean of its divisors is an integer number (10834560).

Almost surely, 2^140222045 is an apocalyptic number.

It is an amenable number.

140222045 is a deficient number, since it is larger than the sum of its proper divisors (33130915).

140222045 is a wasteful number, since it uses less digits than its factorization.

140222045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 140222045 is about 11841.5389624829. The cubic root of 140222045 is about 519.5237812185.

Adding to 140222045 its reverse (540222041), we get a palindrome (680444086).

The spelling of 140222045 in words is "one hundred forty million, two hundred twenty-two thousand, forty-five".