147445822 has 4 divisors (see below), whose sum is σ = 221168736. Its totient is φ = 73722910.

The previous prime is 147445819. The next prime is 147445829. The reversal of 147445822 is 228544741.

147445822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228544741 = 31 ⋅7372411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147445829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36861454 + ... + 36861457.

It is an arithmetic number, because the mean of its divisors is an integer number (55292184).

Almost surely, 2^147445822 is an apocalyptic number.

147445822 is a deficient number, since it is larger than the sum of its proper divisors (73722914).

147445822 is an equidigital number, since it uses as much as digits as its factorization.

147445822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73722913.

The product of its digits is 71680, while the sum is 37.

The square root of 147445822 is about 12142.7271236737. The cubic root of 147445822 is about 528.2962042282.

The spelling of 147445822 in words is "one hundred forty-seven million, four hundred forty-five thousand, eight hundred twenty-two".