1142530434 has 40 divisors (see below), whose sum is σ = 2608438140. Its totient is φ = 373654944.

The previous prime is 1142530421. The next prime is 1142530447. The reversal of 1142530434 is 4340352411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1142530421) and next prime (1142530447).

It can be written as a sum of positive squares in 2 ways, for example, as 982634409 + 159896025 = 31347^2 + 12645^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1142530398 and 1142530407.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 57949 + ... + 75120.

Almost surely, 2^1142530434 is an apocalyptic number.

1142530434 is an abundant number, since it is smaller than the sum of its proper divisors (1465907706).

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

1142530434 is a wasteful number, since it uses less digits than its factorization.

1142530434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133136 (or 133127 counting only the distinct ones).

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

The square root of 1142530434 is about 33801.3377545919. The cubic root of 1142530434 is about 1045.4162803555.

Adding to 1142530434 its reverse (4340352411), we get a palindrome (5482882845).

The spelling of 1142530434 in words is "one billion, one hundred forty-two million, five hundred thirty thousand, four hundred thirty-four".