1424145 has 24 divisors (see below), whose sum is σ = 2414016. Its totient is φ = 716832.

The previous prime is 1424123. The next prime is 1424149. The reversal of 1424145 is 5414241.

It is a happy number.

It is not a de Polignac number, because 1424145 - 2¹¹ = 1422097 is a prime.

1424145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1424149) 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 23 ways as a sum of consecutive naturals, for example, 5284 + ... + 5546.

It is an arithmetic number, because the mean of its divisors is an integer number (100584).

2^1424145 is an apocalyptic number.

1424145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1424145 is a deficient number, since it is larger than the sum of its proper divisors (989871).

1424145 is a wasteful number, since it uses less digits than its factorization.

1424145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 290 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 1424145 is about 1193.3754648056. The cubic root of 1424145 is about 112.5083450600.

Adding to 1424145 its reverse (5414241), we get a palindrome (6838386).

The spelling of 1424145 in words is "one million, four hundred twenty-four thousand, one hundred forty-five".