1430145 has 24 divisors (see below), whose sum is σ = 2524392. Its totient is φ = 748800.

The previous prime is 1430131. The next prime is 1430167. The reversal of 1430145 is 5410341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 1418481 = 108^2 + 1191^2 .

It is not a de Polignac number, because 1430145 - 2⁸ = 1429889 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (105183).

2^1430145 is an apocalyptic number.

1430145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1430145 is a deficient number, since it is larger than the sum of its proper divisors (1094247).

1430145 is a wasteful number, since it uses less digits than its factorization.

1430145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1430145 is about 1195.8867003191. The cubic root of 1430145 is about 112.6661249386. Note that the first 3 decimals are identical.

Adding to 1430145 its reverse (5410341), we get a palindrome (6840486).

It can be divided in two parts, 14301 and 45, that multiplied together give a triangular number (643545 = T₁₁₃₄).

The spelling of 1430145 in words is "one million, four hundred thirty thousand, one hundred forty-five".