1430144 has 16 divisors (see below), whose sum is σ = 2849370. Its totient is φ = 715008.

The previous prime is 1430131. The next prime is 1430167. The reversal of 1430144 is 4410341.

1430144 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 1236544 + 193600 = 1112^2 + 440^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5459 + ... + 5714.

2^1430144 is an apocalyptic number.

It is an amenable number.

1430144 is a deficient number, since it is larger than the sum of its proper divisors (1419226).

1430144 is an equidigital number, since it uses as much as digits as its factorization.

1430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11187 (or 11175 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1430144 is about 1195.8862822192. The cubic root of 1430144 is about 112.6660986787. Note that the first 3 decimals are identical.

Adding to 1430144 its reverse (4410341), we get a palindrome (5840485).

The spelling of 1430144 in words is "one million, four hundred thirty thousand, one hundred forty-four".