1144662542 has 16 divisors (see below), whose sum is σ = 1739141712. Its totient is φ = 564994560.

The previous prime is 1144662523. The next prime is 1144662601. The reversal of 1144662542 is 2452664411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39248 + ... + 61884.

It is an arithmetic number, because the mean of its divisors is an integer number (108696357).

Almost surely, 2^1144662542 is an apocalyptic number.

1144662542 is a deficient number, since it is larger than the sum of its proper divisors (594479170).

1144662542 is a wasteful number, since it uses less digits than its factorization.

1144662542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22963.

The product of its digits is 46080, while the sum is 35.

The square root of 1144662542 is about 33832.8618653522. The cubic root of 1144662542 is about 1046.0661697846.

The spelling of 1144662542 in words is "one billion, one hundred forty-four million, six hundred sixty-two thousand, five hundred forty-two".