1142438630 has 16 divisors (see below), whose sum is σ = 2057135184. Its totient is φ = 456809760.

The previous prime is 1142438623. The next prime is 1142438659. The reversal of 1142438630 is 368342411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10484 + ... + 48936.

It is an arithmetic number, because the mean of its divisors is an integer number (128570949).

Almost surely, 2^1142438630 is an apocalyptic number.

1142438630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142438630 is a deficient number, since it is larger than the sum of its proper divisors (914696554).

1142438630 is a wasteful number, since it uses less digits than its factorization.

1142438630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41431.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1142438630 is about 33799.9797337217. The cubic root of 1142438630 is about 1045.3882793606.

The spelling of 1142438630 in words is "one billion, one hundred forty-two million, four hundred thirty-eight thousand, six hundred thirty".