1142445130 has 8 divisors (see below), whose sum is σ = 2056401252. Its totient is φ = 456978048.

The previous prime is 1142445097. The next prime is 1142445131. The reversal of 1142445130 is 315442411.

1142445130 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1062825201 + 79619929 = 32601^2 + 8923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1142445095 and 1142445104.

It is not an unprimeable number, because it can be changed into a prime (1142445131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57122247 + ... + 57122266.

Almost surely, 2^1142445130 is an apocalyptic number.

1142445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142445130 is a deficient number, since it is larger than the sum of its proper divisors (913956122).

1142445130 is a wasteful number, since it uses less digits than its factorization.

1142445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114244520.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1142445130 is about 33800.0758874888. The cubic root of 1142445130 is about 1045.3902619648.

Adding to 1142445130 its reverse (315442411), we get a palindrome (1457887541).

The spelling of 1142445130 in words is "one billion, one hundred forty-two million, four hundred forty-five thousand, one hundred thirty".