452155522 has 32 divisors (see below), whose sum is σ = 861686784. Its totient is φ = 173102400.

The previous prime is 452155507. The next prime is 452155523. The reversal of 452155522 is 225551254.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (452155523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34429 + ... + 45712.

It is an arithmetic number, because the mean of its divisors is an integer number (26927712).

Almost surely, 2^452155522 is an apocalyptic number.

452155522 is a deficient number, since it is larger than the sum of its proper divisors (409531262).

452155522 is a wasteful number, since it uses less digits than its factorization.

452155522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80194.

The product of its digits is 20000, while the sum is 31.

The square root of 452155522 is about 21263.9488806760. The cubic root of 452155522 is about 767.5310371644.

The spelling of 452155522 in words is "four hundred fifty-two million, one hundred fifty-five thousand, five hundred twenty-two".