1142430380 has 48 divisors (see below), whose sum is σ = 2952747840. Its totient is φ = 361559808.

The previous prime is 1142430349. The next prime is 1142430397. The reversal of 1142430380 is 830342411.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312035 + ... + 315674.

It is an arithmetic number, because the mean of its divisors is an integer number (61515580).

Almost surely, 2^1142430380 is an apocalyptic number.

1142430380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142430380 is an abundant number, since it is smaller than the sum of its proper divisors (1810317460).

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

1142430380 is a wasteful number, since it uses less digits than its factorization.

1142430380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627738 (or 627736 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1142430380 is about 33799.8576920081. The cubic root of 1142430380 is about 1045.3857629675.

Adding to 1142430380 its reverse (830342411), we get a palindrome (1972772791).

The spelling of 1142430380 in words is "one billion, one hundred forty-two million, four hundred thirty thousand, three hundred eighty".