431453142 has 80 divisors (see below), whose sum is σ = 997227792. Its totient is φ = 139345920.

The previous prime is 431453137. The next prime is 431453153. The reversal of 431453142 is 241354134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1678678 + ... + 1678934.

Almost surely, 2^431453142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 431453142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498613896).

431453142 is an abundant number, since it is smaller than the sum of its proper divisors (565774650).

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

431453142 is a wasteful number, since it uses less digits than its factorization.

431453142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555 (or 546 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 431453142 is about 20771.4501660332. The cubic root of 431453142 is about 755.6335147339.

The spelling of 431453142 in words is "four hundred thirty-one million, four hundred fifty-three thousand, one hundred forty-two".