147199445 has 8 divisors (see below), whose sum is σ = 176881536. Its totient is φ = 117598096.

The previous prime is 147199417. The next prime is 147199453. The reversal of 147199445 is 544991741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-147199445 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 147199396 and 147199405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16097 + ... + 23526.

It is an arithmetic number, because the mean of its divisors is an integer number (22110192).

Almost surely, 2^147199445 is an apocalyptic number.

It is an amenable number.

147199445 is a deficient number, since it is larger than the sum of its proper divisors (29682091).

147199445 is an equidigital number, since it uses as much as digits as its factorization.

147199445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40371.

The product of its digits is 181440, while the sum is 44.

The square root of 147199445 is about 12132.5778382008. The cubic root of 147199445 is about 528.0017851275.

The spelling of 147199445 in words is "one hundred forty-seven million, one hundred ninety-nine thousand, four hundred forty-five".