145225301 has 16 divisors (see below), whose sum is σ = 162313200. Its totient is φ = 129013248.

The previous prime is 145225277. The next prime is 145225309. The reversal of 145225301 is 103522541.

It can be written as a sum of positive squares in 8 ways, for example, as 22801 + 145202500 = 151^2 + 12050^2 .

It is a de Polignac number, because none of the positive numbers 2^k-145225301 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 (145225309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214175 + ... + 214851.

It is an arithmetic number, because the mean of its divisors is an integer number (10144575).

Almost surely, 2^145225301 is an apocalyptic number.

It is an amenable number.

145225301 is a deficient number, since it is larger than the sum of its proper divisors (17087899).

145225301 is a wasteful number, since it uses less digits than its factorization.

145225301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 145225301 is about 12050.9460624467. The cubic root of 145225301 is about 525.6307472686.

Adding to 145225301 its reverse (103522541), we get a palindrome (248747842).

The spelling of 145225301 in words is "one hundred forty-five million, two hundred twenty-five thousand, three hundred one".