16145012 has 12 divisors (see below), whose sum is σ = 30427236. Its totient is φ = 7451520.

The previous prime is 16144991. The next prime is 16145027. The reversal of 16145012 is 21054161.

It can be written as a sum of positive squares in 2 ways, for example, as 7873636 + 8271376 = 2806^2 + 2876^2 .

It is a super-2 number, since 2×16145012² = 521322824960288, which contains 22 as substring.

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, 155189 + ... + 155292.

It is an arithmetic number, because the mean of its divisors is an integer number (2535603).

Almost surely, 2^16145012 is an apocalyptic number.

It is an amenable number.

16145012 is a deficient number, since it is larger than the sum of its proper divisors (14282224).

16145012 is a wasteful number, since it uses less digits than its factorization.

16145012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310498 (or 310496 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 16145012 is about 4018.0856138216. The cubic root of 16145012 is about 252.7431869406.

Adding to 16145012 its reverse (21054161), we get a palindrome (37199173).

The spelling of 16145012 in words is "sixteen million, one hundred forty-five thousand, twelve".