1432142561 has 4 divisors (see below), whose sum is σ = 1433425812. Its totient is φ = 1430859312.

The previous prime is 1432142531. The next prime is 1432142597. The reversal of 1432142561 is 1652412341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1652412341 = 37 ⋅44659793.

It can be written as a sum of positive squares in 2 ways, for example, as 189227536 + 1242915025 = 13756^2 + 35255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1432142561 - 2³⁰ = 358400737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1432142531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639950 + ... + 642183.

It is an arithmetic number, because the mean of its divisors is an integer number (358356453).

Almost surely, 2^1432142561 is an apocalyptic number.

It is an amenable number.

1432142561 is a deficient number, since it is larger than the sum of its proper divisors (1283251).

1432142561 is a wasteful number, since it uses less digits than its factorization.

1432142561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283250.

The product of its digits is 5760, while the sum is 29.

The square root of 1432142561 is about 37843.6594557133. The cubic root of 1432142561 is about 1127.1855616176.

The spelling of 1432142561 in words is "one billion, four hundred thirty-two million, one hundred forty-two thousand, five hundred sixty-one".