74145102 has 16 divisors (see below), whose sum is σ = 149358720. Its totient is φ = 24536952.

The previous prime is 74145101. The next prime is 74145119. The reversal of 74145102 is 20154147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74145101) 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, 43618 + ... + 45285.

It is an arithmetic number, because the mean of its divisors is an integer number (9334920).

Almost surely, 2^74145102 is an apocalyptic number.

74145102 is an abundant number, since it is smaller than the sum of its proper divisors (75213618).

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

74145102 is a wasteful number, since it uses less digits than its factorization.

74145102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89047.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 74145102 is about 8610.7550191606. The cubic root of 74145102 is about 420.1078747849.

Adding to 74145102 its reverse (20154147), we get a palindrome (94299249).

It can be divided in two parts, 74145 and 102, that added together give a palindrome (74247).

The spelling of 74145102 in words is "seventy-four million, one hundred forty-five thousand, one hundred two".