146807447 has 4 divisors (see below), whose sum is σ = 146832000. Its totient is φ = 146782896.

The previous prime is 146807371. The next prime is 146807449. The reversal of 146807447 is 744708641.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 146807447 - 2¹² = 146803351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146807449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (36708000).

Almost surely, 2^146807447 is an apocalyptic number.

146807447 is a deficient number, since it is larger than the sum of its proper divisors (24553).

146807447 is a wasteful number, since it uses less digits than its factorization.

146807447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24552.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 146807447 is about 12116.4122990265. The cubic root of 146807447 is about 527.5326718456.

The spelling of 146807447 in words is "one hundred forty-six million, eight hundred seven thousand, four hundred forty-seven".