16147745 has 8 divisors (see below), whose sum is σ = 20002560. Its totient is φ = 12501360.

The previous prime is 16147721. The next prime is 16147757. The reversal of 16147745 is 54774161.

It is a happy number.

16147745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 16147745 - 2¹⁰ = 16146721 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51935 + ... + 52244.

It is an arithmetic number, because the mean of its divisors is an integer number (2500320).

Almost surely, 2^16147745 is an apocalyptic number.

It is an amenable number.

16147745 is a deficient number, since it is larger than the sum of its proper divisors (3854815).

16147745 is a wasteful number, since it uses less digits than its factorization.

16147745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104215.

The product of its digits is 23520, while the sum is 35.

The square root of 16147745 is about 4018.4256867584. The cubic root of 16147745 is about 252.7574474474.

The spelling of 16147745 in words is "sixteen million, one hundred forty-seven thousand, seven hundred forty-five".