1485172 has 18 divisors (see below), whose sum is σ = 2815638. Its totient is φ = 685464.

The previous prime is 1485139. The next prime is 1485191. The reversal of 1485172 is 2715841.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 1425636 + 59536 = 1194^2 + 244^2 .

It is an Ulam number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1485172.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 114238 + ... + 114250.

2^1485172 is an apocalyptic number.

It is an amenable number.

1485172 is a deficient number, since it is larger than the sum of its proper divisors (1330466).

1485172 is an frugal number, since it uses more digits than its factorization.

1485172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69 (or 15 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 1485172 is about 1218.6763311068. The cubic root of 1485172 is about 114.0929784193.

The spelling of 1485172 in words is "one million, four hundred eighty-five thousand, one hundred seventy-two".