14405142 has 16 divisors (see below), whose sum is σ = 29740032. Its totient is φ = 4646760.

The previous prime is 14405101. The next prime is 14405147. The reversal of 14405142 is 24150441.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14405147) 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, 38538 + ... + 38909.

It is an arithmetic number, because the mean of its divisors is an integer number (1858752).

Almost surely, 2^14405142 is an apocalyptic number.

14405142 is an abundant number, since it is smaller than the sum of its proper divisors (15334890).

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

14405142 is a wasteful number, since it uses less digits than its factorization.

14405142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77483.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 14405142 is about 3795.4106497189. The cubic root of 14405142 is about 243.3170344163.

Adding to 14405142 its reverse (24150441), we get a palindrome (38555583).

The spelling of 14405142 in words is "fourteen million, four hundred five thousand, one hundred forty-two".