147244091 has 32 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 127439136.

The previous prime is 147244087. The next prime is 147244151. The reversal of 147244091 is 190442741.

It is not a de Polignac number, because 147244091 - 2² = 147244087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147244061) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1376060 + ... + 1376166.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^147244091 is an apocalyptic number.

147244091 is a deficient number, since it is larger than the sum of its proper divisors (21961669).

147244091 is a wasteful number, since it uses less digits than its factorization.

147244091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 147244091 is about 12134.4176209656. The cubic root of 147244091 is about 528.0551612002.

The spelling of 147244091 in words is "one hundred forty-seven million, two hundred forty-four thousand, ninety-one".