75146 has 4 divisors (see below), whose sum is σ = 112722. Its totient is φ = 37572.

The previous prime is 75133. The next prime is 75149. The reversal of 75146 is 64157.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44521 + 30625 = 211^2 + 175^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (75149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18785 + ... + 18788.

2⁷⁵¹⁴⁶ is an apocalyptic number.

75146 is a deficient number, since it is larger than the sum of its proper divisors (37576).

75146 is a wasteful number, since it uses less digits than its factorization.

75146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37575.

The product of its digits is 840, while the sum is 23.

The square root of 75146 is about 274.1277074650. The cubic root of 75146 is about 42.1989802319.

It can be divided in two parts, 751 and 46, that added together give a palindrome (797).

The spelling of 75146 in words is "seventy-five thousand, one hundred forty-six".