472145 has 8 divisors (see below), whose sum is σ = 573480. Its totient is φ = 373120.

The previous prime is 472139. The next prime is 472151. The reversal of 472145 is 541274.

It is an interprime number because it is at equal distance from previous prime (472139) and next prime (472151).

It can be written as a sum of positive squares in 4 ways, for example, as 25921 + 446224 = 161^2 + 668^2 .

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

It is not a de Polignac number, because 472145 - 2¹² = 468049 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 472145.

It is a congruent number.

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, 86 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (71685).

2⁴⁷²¹⁴⁵ is an apocalyptic number.

It is an amenable number.

472145 is a deficient number, since it is larger than the sum of its proper divisors (101335).

472145 is a wasteful number, since it uses less digits than its factorization.

472145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155.

The product of its digits is 1120, while the sum is 23.

The square root of 472145 is about 687.1280812192. The cubic root of 472145 is about 77.8679004458.

The spelling of 472145 in words is "four hundred seventy-two thousand, one hundred forty-five".