145404301 has 4 divisors (see below), whose sum is σ = 166176352. Its totient is φ = 124632252.

The previous prime is 145404277. The next prime is 145404307. The reversal of 145404301 is 103404541.

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 145404301 - 2¹³ = 145396109 is a prime.

It is a super-2 number, since 2×145404301² = 42284821498597202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145404307) 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, 10386015 + ... + 10386028.

It is an arithmetic number, because the mean of its divisors is an integer number (41544088).

Almost surely, 2^145404301 is an apocalyptic number.

It is an amenable number.

145404301 is a deficient number, since it is larger than the sum of its proper divisors (20772051).

145404301 is an equidigital number, since it uses as much as digits as its factorization.

145404301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20772050.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 145404301 is about 12058.3705781503. The cubic root of 145404301 is about 525.8466170769.

Adding to 145404301 its reverse (103404541), we get a palindrome (248808842).

The spelling of 145404301 in words is "one hundred forty-five million, four hundred four thousand, three hundred one".