16145438 has 8 divisors (see below), whose sum is σ = 24288600. Its totient is φ = 8049240.

The previous prime is 16145413. The next prime is 16145449. The reversal of 16145438 is 83454161.

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

It is an alternating number because its digits alternate between odd and even.

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, 10868 + ... + 12263.

It is an arithmetic number, because the mean of its divisors is an integer number (3036075).

Almost surely, 2^16145438 is an apocalyptic number.

16145438 is a deficient number, since it is larger than the sum of its proper divisors (8143162).

16145438 is a wasteful number, since it uses less digits than its factorization.

16145438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23482.

The product of its digits is 11520, while the sum is 32.

The square root of 16145438 is about 4018.1386237909. The cubic root of 16145438 is about 252.7454098697.

Adding to 16145438 its reverse (83454161), we get a palindrome (99599599).

The spelling of 16145438 in words is "sixteen million, one hundred forty-five thousand, four hundred thirty-eight".