147100445 has 4 divisors (see below), whose sum is σ = 176520540. Its totient is φ = 117680352.

The previous prime is 147100423. The next prime is 147100469. The reversal of 147100445 is 544001741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544001741 = 727 ⋅748283.

It can be written as a sum of positive squares in 2 ways, for example, as 65577604 + 81522841 = 8098^2 + 9029^2 .

It is a cyclic number.

It is not a de Polignac number, because 147100445 - 2⁶ = 147100381 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14710040 + ... + 14710049.

It is an arithmetic number, because the mean of its divisors is an integer number (44130135).

Almost surely, 2^147100445 is an apocalyptic number.

It is an amenable number.

147100445 is a deficient number, since it is larger than the sum of its proper divisors (29420095).

147100445 is an equidigital number, since it uses as much as digits as its factorization.

147100445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29420094.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 147100445 is about 12128.4972276041. The cubic root of 147100445 is about 527.8833881689.

The spelling of 147100445 in words is "one hundred forty-seven million, one hundred thousand, four hundred forty-five".