146145601 has 4 divisors (see below), whose sum is σ = 167023552. Its totient is φ = 125267652.

The previous prime is 146145581. The next prime is 146145641. The reversal of 146145601 is 106541641.

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 146145601 - 2²¹ = 144048449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146145601.

It is not an unprimeable number, because it can be changed into a prime (146145641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10438965 + ... + 10438978.

It is an arithmetic number, because the mean of its divisors is an integer number (41755888).

Almost surely, 2^146145601 is an apocalyptic number.

It is an amenable number.

146145601 is a deficient number, since it is larger than the sum of its proper divisors (20877951).

146145601 is an equidigital number, since it uses as much as digits as its factorization.

146145601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20877950.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 146145601 is about 12089.0694844558. The cubic root of 146145601 is about 526.7387262313.

The spelling of 146145601 in words is "one hundred forty-six million, one hundred forty-five thousand, six hundred one".