40232245 has 8 divisors (see below), whose sum is σ = 49070520. Its totient is φ = 31657920.

The previous prime is 40232243. The next prime is 40232249. The reversal of 40232245 is 54223204.

It can be written as a sum of positive squares in 4 ways, for example, as 806404 + 39425841 = 898^2 + 6279^2 .

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

It is not a de Polignac number, because 40232245 - 2¹ = 40232243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65650 + ... + 66259.

It is an arithmetic number, because the mean of its divisors is an integer number (6133815).

Almost surely, 2^40232245 is an apocalyptic number.

It is an amenable number.

40232245 is a deficient number, since it is larger than the sum of its proper divisors (8838275).

40232245 is a wasteful number, since it uses less digits than its factorization.

40232245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131975.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40232245 is about 6342.8893258514. The cubic root of 40232245 is about 342.6558013877.

Adding to 40232245 its reverse (54223204), we get a palindrome (94455449).

The spelling of 40232245 in words is "forty million, two hundred thirty-two thousand, two hundred forty-five".