1418445 has 64 divisors (see below), whose sum is σ = 3072000. Its totient is φ = 606528.

The previous prime is 1418423. The next prime is 1418447. The reversal of 1418445 is 5448141.

It is a happy number.

It is not a de Polignac number, because 1418445 - 2¹⁴ = 1402061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1418445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418447) 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 63 ways as a sum of consecutive naturals, for example, 17916 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (48000).

2^1418445 is an apocalyptic number.

1418445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1418445 is an abundant number, since it is smaller than the sum of its proper divisors (1653555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1418445 is a wasteful number, since it uses less digits than its factorization.

1418445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 113 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1418445 is about 1190.9848865540. The cubic root of 1418445 is about 112.3580431710.

The spelling of 1418445 in words is "one million, four hundred eighteen thousand, four hundred forty-five".