745353122 has 4 divisors (see below), whose sum is σ = 1118029686. Its totient is φ = 372676560.

The previous prime is 745353121. The next prime is 745353131. The reversal of 745353122 is 221353547.

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

It can be written as a sum of positive squares in only one way, i.e., 495997441 + 249355681 = 22271^2 + 15791^2 .

It is not an unprimeable number, because it can be changed into a prime (745353121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186338279 + ... + 186338282.

Almost surely, 2^745353122 is an apocalyptic number.

745353122 is a deficient number, since it is larger than the sum of its proper divisors (372676564).

745353122 is a wasteful number, since it uses less digits than its factorization.

745353122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372676563.

The product of its digits is 25200, while the sum is 32.

The square root of 745353122 is about 27301.1560561087. The cubic root of 745353122 is about 906.6799770669.

The spelling of 745353122 in words is "seven hundred forty-five million, three hundred fifty-three thousand, one hundred twenty-two".