45215234 has 8 divisors (see below), whose sum is σ = 70161660. Its totient is φ = 21828016.

The previous prime is 45215227. The next prime is 45215273. The reversal of 45215234 is 43251254.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42315025 + 2900209 = 6505^2 + 1703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389729 + ... + 389844.

Almost surely, 2^45215234 is an apocalyptic number.

45215234 is a deficient number, since it is larger than the sum of its proper divisors (24946426).

45215234 is a wasteful number, since it uses less digits than its factorization.

45215234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779604.

The product of its digits is 4800, while the sum is 26.

The square root of 45215234 is about 6724.2273905632. The cubic root of 45215234 is about 356.2555134470.

Adding to 45215234 its reverse (43251254), we get a palindrome (88466488).

The spelling of 45215234 in words is "forty-five million, two hundred fifteen thousand, two hundred thirty-four".