18542029 has 8 divisors (see below), whose sum is σ = 20268288. Its totient is φ = 16822560.

The previous prime is 18542023. The next prime is 18542039. The reversal of 18542029 is 92024581.

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

It is a cyclic number.

It is not a de Polignac number, because 18542029 - 2¹⁵ = 18509261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18542023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289 + ... + 8065.

It is an arithmetic number, because the mean of its divisors is an integer number (2533536).

Almost surely, 2^18542029 is an apocalyptic number.

It is an amenable number.

18542029 is a deficient number, since it is larger than the sum of its proper divisors (1726259).

18542029 is a wasteful number, since it uses less digits than its factorization.

18542029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18542029 is about 4306.0456337573. The cubic root of 18542029 is about 264.6787563363.

It can be divided in two parts, 1854 and 2029, that added together give a palindrome (3883).

The spelling of 18542029 in words is "eighteen million, five hundred forty-two thousand, twenty-nine".