145020301 has 4 divisors (see below), whose sum is σ = 145045600. Its totient is φ = 144995004.

The previous prime is 145020299. The next prime is 145020307. The reversal of 145020301 is 103020541.

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 145020301 - 2¹ = 145020299 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 (145020307) 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, 520 + ... + 17038.

It is an arithmetic number, because the mean of its divisors is an integer number (36261400).

Almost surely, 2^145020301 is an apocalyptic number.

It is an amenable number.

145020301 is a deficient number, since it is larger than the sum of its proper divisors (25299).

145020301 is an equidigital number, since it uses as much as digits as its factorization.

145020301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25298.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 145020301 is about 12042.4375024328. The cubic root of 145020301 is about 525.3833040563.

Adding to 145020301 its reverse (103020541), we get a palindrome (248040842).

The spelling of 145020301 in words is "one hundred forty-five million, twenty thousand, three hundred one".