1144632742 has 8 divisors (see below), whose sum is σ = 1873035432. Its totient is φ = 520287600.

The previous prime is 1144632739. The next prime is 1144632761. The reversal of 1144632742 is 2472364411.

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

It is a super-2 number, since 2×1144632742² = 2620368228116877128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144632698 and 1144632707.

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, 26014359 + ... + 26014402.

It is an arithmetic number, because the mean of its divisors is an integer number (234129429).

Almost surely, 2^1144632742 is an apocalyptic number.

1144632742 is a deficient number, since it is larger than the sum of its proper divisors (728402690).

1144632742 is a wasteful number, since it uses less digits than its factorization.

1144632742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52028774.

The product of its digits is 32256, while the sum is 34.

The square root of 1144632742 is about 33832.4214622601. The cubic root of 1144632742 is about 1046.0570919877.

The spelling of 1144632742 in words is "one billion, one hundred forty-four million, six hundred thirty-two thousand, seven hundred forty-two".