16145020 has 12 divisors (see below), whose sum is σ = 33904584. Its totient is φ = 6458000.

The previous prime is 16144991. The next prime is 16145027. The reversal of 16145020 is 2054161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403606 + ... + 403645.

It is an arithmetic number, because the mean of its divisors is an integer number (2825382).

Almost surely, 2^16145020 is an apocalyptic number.

16145020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16145020 is an abundant number, since it is smaller than the sum of its proper divisors (17759564).

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

16145020 is a wasteful number, since it uses less digits than its factorization.

16145020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807260 (or 807258 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 16145020 is about 4018.0866093204. The cubic root of 16145020 is about 252.7432286861.

Adding to 16145020 its reverse (2054161), we get a palindrome (18199181).

The spelling of 16145020 in words is "sixteen million, one hundred forty-five thousand, twenty".