1434144520 has 32 divisors (see below), whose sum is σ = 3228021720. Its totient is φ = 573445120.

The previous prime is 1434144493. The next prime is 1434144527. The reversal of 1434144520 is 254414341.

It can be written as a sum of positive squares in 4 ways, for example, as 878411044 + 555733476 = 29638^2 + 23574^2 .

It is not an unprimeable number, because it can be changed into a prime (1434144527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145674 + ... + 155206.

Almost surely, 2^1434144520 is an apocalyptic number.

1434144520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1434144520 is an abundant number, since it is smaller than the sum of its proper divisors (1793877200).

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

1434144520 is a wasteful number, since it uses less digits than its factorization.

1434144520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305 (or 13301 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1434144520 is about 37870.1006072073. The cubic root of 1434144520 is about 1127.7105392940.

Adding to 1434144520 its reverse (254414341), we get a palindrome (1688558861).

The spelling of 1434144520 in words is "one billion, four hundred thirty-four million, one hundred forty-four thousand, five hundred twenty".