146320141 has 4 divisors (see below), whose sum is σ = 159621984. Its totient is φ = 133018300.

The previous prime is 146320091. The next prime is 146320211. The reversal of 146320141 is 141023641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 146320141 - 2²³ = 137931533 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146323141) 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, 6650905 + ... + 6650926.

It is an arithmetic number, because the mean of its divisors is an integer number (39905496).

Almost surely, 2^146320141 is an apocalyptic number.

146320141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146320141 is a deficient number, since it is larger than the sum of its proper divisors (13301843).

146320141 is a wasteful number, since it uses less digits than its factorization.

146320141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13301842.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 146320141 is about 12096.2862482664. The cubic root of 146320141 is about 526.9483354638.

Adding to 146320141 its reverse (141023641), we get a palindrome (287343782).

The spelling of 146320141 in words is "one hundred forty-six million, three hundred twenty thousand, one hundred forty-one".