16123045 has 8 divisors (see below), whose sum is σ = 19819800. Its totient is φ = 12583680.

The previous prime is 16123013. The next prime is 16123057. The reversal of 16123045 is 54032161.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 15992001 = 362^2 + 3999^2 .

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

It is not a de Polignac number, because 16123045 - 2⁵ = 16123013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39120 + ... + 39529.

It is an arithmetic number, because the mean of its divisors is an integer number (2477475).

Almost surely, 2^16123045 is an apocalyptic number.

It is an amenable number.

16123045 is a deficient number, since it is larger than the sum of its proper divisors (3696755).

16123045 is an equidigital number, since it uses as much as digits as its factorization.

16123045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78695.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16123045 is about 4015.3511677063. The cubic root of 16123045 is about 252.6285069490.

The spelling of 16123045 in words is "sixteen million, one hundred twenty-three thousand, forty-five".