452013145 has 8 divisors (see below), whose sum is σ = 543359304. Its totient is φ = 360981504.

The previous prime is 452013137. The next prime is 452013157. The reversal of 452013145 is 541310254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 72114064 + 379899081 = 8492^2 + 19491^2 .

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 452013145 - 2³ = 452013137 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, 75454 + ... + 81223.

It is an arithmetic number, because the mean of its divisors is an integer number (67919913).

Almost surely, 2^452013145 is an apocalyptic number.

It is an amenable number.

452013145 is a deficient number, since it is larger than the sum of its proper divisors (91346159).

452013145 is a wasteful number, since it uses less digits than its factorization.

452013145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157259.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 452013145 is about 21260.6007676171. The cubic root of 452013145 is about 767.4504673654.

Adding to 452013145 its reverse (541310254), we get a palindrome (993323399).

The spelling of 452013145 in words is "four hundred fifty-two million, thirteen thousand, one hundred forty-five".