147449805 has 8 divisors (see below), whose sum is σ = 235919712. Its totient is φ = 78639888.

The previous prime is 147449779. The next prime is 147449807. The reversal of 147449805 is 508944741.

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

It is not a de Polignac number, because 147449805 - 2⁷ = 147449677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147449807) 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, 4914979 + ... + 4915008.

It is an arithmetic number, because the mean of its divisors is an integer number (29489964).

Almost surely, 2^147449805 is an apocalyptic number.

147449805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147449805 is a deficient number, since it is larger than the sum of its proper divisors (88469907).

147449805 is an equidigital number, since it uses as much as digits as its factorization.

147449805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9829995.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 147449805 is about 12142.8911302045. The cubic root of 147449805 is about 528.3009611955.

The spelling of 147449805 in words is "one hundred forty-seven million, four hundred forty-nine thousand, eight hundred five".