16214045 has 8 divisors (see below), whose sum is σ = 20127960. Its totient is φ = 12523840.

The previous prime is 16214021. The next prime is 16214047. The reversal of 16214045 is 54041261.

It can be written as a sum of positive squares in 4 ways, for example, as 2181529 + 14032516 = 1477^2 + 3746^2 .

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

It is not a de Polignac number, because 16214045 - 2¹⁴ = 16197661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16214045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16214047) 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, 55766 + ... + 56055.

It is an arithmetic number, because the mean of its divisors is an integer number (2515995).

Almost surely, 2^16214045 is an apocalyptic number.

It is an amenable number.

16214045 is a deficient number, since it is larger than the sum of its proper divisors (3913915).

16214045 is a wasteful number, since it uses less digits than its factorization.

16214045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111855.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 16214045 is about 4026.6667356512. Note that the first 3 decimals coincide. The cubic root of 16214045 is about 253.1029019981.

The spelling of 16214045 in words is "sixteen million, two hundred fourteen thousand, forty-five".