452240111 has 4 divisors (see below), whose sum is σ = 453289824. Its totient is φ = 451190400.

The previous prime is 452240081. The next prime is 452240141. The reversal of 452240111 is 111042254.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (452240081) and next prime (452240141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452240111 is a prime.

It is a super-2 number, since 2×452240111² = 409042235994584642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452240141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524210 + ... + 525071.

It is an arithmetic number, because the mean of its divisors is an integer number (113322456).

Almost surely, 2^452240111 is an apocalyptic number.

452240111 is a deficient number, since it is larger than the sum of its proper divisors (1049713).

452240111 is a wasteful number, since it uses less digits than its factorization.

452240111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049712.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 452240111 is about 21265.9378114392. The cubic root of 452240111 is about 767.5788972711.

Adding to 452240111 its reverse (111042254), we get a palindrome (563282365).

The spelling of 452240111 in words is "four hundred fifty-two million, two hundred forty thousand, one hundred eleven".