40233145 has 8 divisors (see below), whose sum is σ = 48315456. Its totient is φ = 32162736.

The previous prime is 40233119. The next prime is 40233157. The reversal of 40233145 is 54133204.

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

It is a cyclic number.

It is not a de Polignac number, because 40233145 - 2²⁵ = 6678713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8484 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (6039432).

Almost surely, 2^40233145 is an apocalyptic number.

It is an amenable number.

40233145 is a deficient number, since it is larger than the sum of its proper divisors (8082311).

40233145 is a wasteful number, since it uses less digits than its factorization.

40233145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40233145 is about 6342.9602710406. The cubic root of 40233145 is about 342.6583564520.

Adding to 40233145 its reverse (54133204), we get a palindrome (94366349).

The spelling of 40233145 in words is "forty million, two hundred thirty-three thousand, one hundred forty-five".