452145522 has 16 divisors (see below), whose sum is σ = 905802912. Its totient is φ = 150463200.

The previous prime is 452145521. The next prime is 452145541. The reversal of 452145522 is 225541254.

It is a self number, because there is not a number n which added to its sum of digits gives 452145522.

It is not an unprimeable number, because it can be changed into a prime (452145521) 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, 59088 + ... + 66299.

It is an arithmetic number, because the mean of its divisors is an integer number (56612682).

Almost surely, 2^452145522 is an apocalyptic number.

452145522 is an abundant number, since it is smaller than the sum of its proper divisors (453657390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452145522 is a wasteful number, since it uses less digits than its factorization.

452145522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125993.

The product of its digits is 16000, while the sum is 30.

The square root of 452145522 is about 21263.7137396081. The cubic root of 452145522 is about 767.5253788112.

Adding to 452145522 its reverse (225541254), we get a palindrome (677686776).

The spelling of 452145522 in words is "four hundred fifty-two million, one hundred forty-five thousand, five hundred twenty-two".