1142672438 has 8 divisors (see below), whose sum is σ = 1738149840. Its totient is φ = 563289160.

The previous prime is 1142672423. The next prime is 1142672473. The reversal of 1142672438 is 8342762411.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023353 + ... + 4023636.

It is an arithmetic number, because the mean of its divisors is an integer number (217268730).

Almost surely, 2^1142672438 is an apocalyptic number.

1142672438 is a deficient number, since it is larger than the sum of its proper divisors (595477402).

1142672438 is an equidigital number, since it uses as much as digits as its factorization.

1142672438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047062.

The product of its digits is 64512, while the sum is 38.

The square root of 1142672438 is about 33803.4382570767. The cubic root of 1142672438 is about 1045.4595898200.

The spelling of 1142672438 in words is "one billion, one hundred forty-two million, six hundred seventy-two thousand, four hundred thirty-eight".