146159645 has 4 divisors (see below), whose sum is σ = 175391580. Its totient is φ = 116927712.

The previous prime is 146159639. The next prime is 146159653. The reversal of 146159645 is 546951641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546951641 = 1399 ⋅390959.

It can be written as a sum of positive squares in 2 ways, for example, as 74011609 + 72148036 = 8603^2 + 8494^2 .

It is a cyclic number.

It is not a de Polignac number, because 146159645 - 2⁶ = 146159581 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 14615960 + ... + 14615969.

It is an arithmetic number, because the mean of its divisors is an integer number (43847895).

Almost surely, 2^146159645 is an apocalyptic number.

It is an amenable number.

146159645 is a deficient number, since it is larger than the sum of its proper divisors (29231935).

146159645 is an equidigital number, since it uses as much as digits as its factorization.

146159645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29231934.

The product of its digits is 129600, while the sum is 41.

The square root of 146159645 is about 12089.6503257952. The cubic root of 146159645 is about 526.7555981765.

It can be divided in two parts, 1461596 and 45, that added together give a palindrome (1461641).

The spelling of 146159645 in words is "one hundred forty-six million, one hundred fifty-nine thousand, six hundred forty-five".