75045102 has 64 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 21790080.

The previous prime is 75045101. The next prime is 75045107. The reversal of 75045102 is 20154057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75045101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192724 + ... + 193112.

It is an arithmetic number, because the mean of its divisors is an integer number (2667600).

Almost surely, 2^75045102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75045102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85363200).

75045102 is an abundant number, since it is smaller than the sum of its proper divisors (95681298).

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

75045102 is a wasteful number, since it uses less digits than its factorization.

75045102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 75045102 is about 8662.8576116660. The cubic root of 75045102 is about 421.8008501559.

Adding to 75045102 its reverse (20154057), we get a palindrome (95199159).

The spelling of 75045102 in words is "seventy-five million, forty-five thousand, one hundred two".