1431045 has 72 divisors (see below), whose sum is σ = 3201120. Its totient is φ = 584640.

The previous prime is 1431029. The next prime is 1431047. The reversal of 1431045 is 5401341.

It is a happy number.

It is not a de Polignac number, because 1431045 - 2⁴ = 1431029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431047) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 24226 + ... + 24284.

It is an arithmetic number, because the mean of its divisors is an integer number (44460).

2^1431045 is an apocalyptic number.

1431045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1431045 is an abundant number, since it is smaller than the sum of its proper divisors (1770075).

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

1431045 is a wasteful number, since it uses less digits than its factorization.

1431045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 85 counting only the distinct ones).

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

The square root of 1431045 is about 1196.2629309646. The cubic root of 1431045 is about 112.6897538362.

Adding to 1431045 its reverse (5401341), we get a palindrome (6832386).

The spelling of 1431045 in words is "one million, four hundred thirty-one thousand, forty-five".