1142530432 has 16 divisors (see below), whose sum is σ = 2276135100. Its totient is φ = 571265152.

The previous prime is 1142530421. The next prime is 1142530447. The reversal of 1142530432 is 2340352411.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×1142530432² = 2610751576092213248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142530397 and 1142530406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4462882 + ... + 4463137.

Almost surely, 2^1142530432 is an apocalyptic number.

It is an amenable number.

1142530432 is a deficient number, since it is larger than the sum of its proper divisors (1133604668).

1142530432 is an frugal number, since it uses more digits than its factorization.

1142530432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926033 (or 8926021 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1142530432 is about 33801.3377250073. The cubic root of 1142530432 is about 1045.4162797455.

Adding to 1142530432 its reverse (2340352411), we get a palindrome (3482882843).

The spelling of 1142530432 in words is "one billion, one hundred forty-two million, five hundred thirty thousand, four hundred thirty-two".