18941542 has 8 divisors (see below), whose sum is σ = 28636416. Its totient is φ = 9396072.

The previous prime is 18941501. The next prime is 18941563. The reversal of 18941542 is 24514981.

It is a happy number.

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 = 18941498 and 18941507.

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, 37033 + ... + 37540.

It is an arithmetic number, because the mean of its divisors is an integer number (3579552).

Almost surely, 2^18941542 is an apocalyptic number.

18941542 is a deficient number, since it is larger than the sum of its proper divisors (9694874).

18941542 is a wasteful number, since it uses less digits than its factorization.

18941542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74702.

The product of its digits is 11520, while the sum is 34.

The square root of 18941542 is about 4352.1881852696. The cubic root of 18941542 is about 266.5662180703.

The spelling of 18941542 in words is "eighteen million, nine hundred forty-one thousand, five hundred forty-two".