16145442 has 24 divisors (see below), whose sum is σ = 35184240. Its totient is φ = 5350680.

The previous prime is 16145413. The next prime is 16145449. The reversal of 16145442 is 24454161.

16145442 is a `hidden beast` number, since 1 + 614 + 5 + 4 + 42 = 666.

16145442 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16145449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717 + ... + 5727.

It is an arithmetic number, because the mean of its divisors is an integer number (1466010).

Almost surely, 2^16145442 is an apocalyptic number.

16145442 is an abundant number, since it is smaller than the sum of its proper divisors (19038798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16145442 is a wasteful number, since it uses less digits than its factorization.

16145442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198 (or 5195 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 16145442 is about 4018.1391215337. The cubic root of 16145442 is about 252.7454307421.

It can be divided in two parts, 1614 and 5442, that added together give a square (7056 = 84²).

The spelling of 16145442 in words is "sixteen million, one hundred forty-five thousand, four hundred forty-two".