146545093 has 4 divisors (see below), whose sum is σ = 147304588. Its totient is φ = 145785600.

The previous prime is 146545073. The next prime is 146545097. The reversal of 146545093 is 390545641.

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 101949409 + 44595684 = 10097^2 + 6678^2 .

It is a cyclic number.

It is not a de Polignac number, because 146545093 - 2⁹ = 146544581 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 (146545097) 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, 379458 + ... + 379843.

It is an arithmetic number, because the mean of its divisors is an integer number (36826147).

Almost surely, 2^146545093 is an apocalyptic number.

It is an amenable number.

146545093 is a deficient number, since it is larger than the sum of its proper divisors (759495).

146545093 is an equidigital number, since it uses as much as digits as its factorization.

146545093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759494.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 146545093 is about 12105.5810682511. The cubic root of 146545093 is about 527.2182399493.

The spelling of 146545093 in words is "one hundred forty-six million, five hundred forty-five thousand, ninety-three".