1142431430 has 96 divisors (see below), whose sum is σ = 2530108224. Its totient is φ = 363647232.

The previous prime is 1142431429. The next prime is 1142431471. The reversal of 1142431430 is 341342411.

It is a junction number, because it is equal to n+sod(n) for n = 1142431396 and 1142431405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1338884 + ... + 1339736.

It is an arithmetic number, because the mean of its divisors is an integer number (26355294).

Almost surely, 2^1142431430 is an apocalyptic number.

1142431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142431430 is an abundant number, since it is smaller than the sum of its proper divisors (1387676794).

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

1142431430 is a wasteful number, since it uses less digits than its factorization.

1142431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1142431430 is about 33799.8732246143. The cubic root of 1142431430 is about 1045.3860832363.

Adding to 1142431430 its reverse (341342411), we get a palindrome (1483773841).

The spelling of 1142431430 in words is "one billion, one hundred forty-two million, four hundred thirty-one thousand, four hundred thirty".