146875261 has 4 divisors (see below), whose sum is σ = 158173372. Its totient is φ = 135577152.

The previous prime is 146875259. The next prime is 146875271. The reversal of 146875261 is 162578641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56340036 + 90535225 = 7506^2 + 9515^2 .

It is a cyclic number.

It is not a de Polignac number, because 146875261 - 2¹ = 146875259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146875271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5649036 + ... + 5649061.

It is an arithmetic number, because the mean of its divisors is an integer number (39543343).

Almost surely, 2^146875261 is an apocalyptic number.

It is an amenable number.

146875261 is a deficient number, since it is larger than the sum of its proper divisors (11298111).

146875261 is a wasteful number, since it uses less digits than its factorization.

146875261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11298110.

The product of its digits is 80640, while the sum is 40.

The square root of 146875261 is about 12119.2104115738. The cubic root of 146875261 is about 527.6138861492.

It can be divided in two parts, 1468 and 75261, that added together give a square (76729 = 277²).

The spelling of 146875261 in words is "one hundred forty-six million, eight hundred seventy-five thousand, two hundred sixty-one".