16145031 has 8 divisors (see below), whose sum is σ = 24601984. Its totient is φ = 9225720.

The previous prime is 16145027. The next prime is 16145033. The reversal of 16145031 is 13054161.

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

It is not a de Polignac number, because 16145031 - 2² = 16145027 is a prime.

It is a super-2 number, since 2×16145031² = 521324051981922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 768811 = 16145031 / (1 + 6 + 1 + 4 + 5 + 0 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16144989 and 16145007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145033) 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, 384385 + ... + 384426.

It is an arithmetic number, because the mean of its divisors is an integer number (3075248).

Almost surely, 2^16145031 is an apocalyptic number.

16145031 is a deficient number, since it is larger than the sum of its proper divisors (8456953).

16145031 is an equidigital number, since it uses as much as digits as its factorization.

16145031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768821.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 16145031 is about 4018.0879781309. The cubic root of 16145031 is about 252.7432860862.

Adding to 16145031 its reverse (13054161), we get a palindrome (29199192).

The spelling of 16145031 in words is "sixteen million, one hundred forty-five thousand, thirty-one".