8472145 has 16 divisors (see below), whose sum is σ = 11450880. Its totient is φ = 5961600.

The previous prime is 8472133. The next prime is 8472151. The reversal of 8472145 is 5412748.

It is not a de Polignac number, because 8472145 - 2⁷ = 8472017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 780 + ... + 4189.

It is an arithmetic number, because the mean of its divisors is an integer number (715680).

Almost surely, 2^8472145 is an apocalyptic number.

It is an amenable number.

8472145 is a deficient number, since it is larger than the sum of its proper divisors (2978735).

8472145 is a wasteful number, since it uses less digits than its factorization.

8472145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016.

The product of its digits is 8960, while the sum is 31.

The square root of 8472145 is about 2910.6949342039. The cubic root of 8472145 is about 203.8595807351.

It can be divided in two parts, 847 and 2145, that added together give a palindrome (2992).

The spelling of 8472145 in words is "eight million, four hundred seventy-two thousand, one hundred forty-five".