14445390 has 16 divisors (see below), whose sum is σ = 34669008. Its totient is φ = 3852096.

The previous prime is 14445371. The next prime is 14445391. The reversal of 14445390 is 9354441.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 481513 = 14445390 / (1 + 4 + 4 + 4 + 5 + 3 + 9 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14445391) 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, 240727 + ... + 240786.

It is an arithmetic number, because the mean of its divisors is an integer number (2166813).

Almost surely, 2^14445390 is an apocalyptic number.

14445390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14445390 is an abundant number, since it is smaller than the sum of its proper divisors (20223618).

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

14445390 is a wasteful number, since it uses less digits than its factorization.

14445390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481523.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 14445390 is about 3800.7091443571. The cubic root of 14445390 is about 243.5434331461.

The spelling of 14445390 in words is "fourteen million, four hundred forty-five thousand, three hundred ninety".