145430401 has 4 divisors (see below), whose sum is σ = 147601072. Its totient is φ = 143259732.

The previous prime is 145430371. The next prime is 145430413. The reversal of 145430401 is 104034541.

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 145430401 - 2²¹ = 143333249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145430471) 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, 1085235 + ... + 1085368.

It is an arithmetic number, because the mean of its divisors is an integer number (36900268).

Almost surely, 2^145430401 is an apocalyptic number.

It is an amenable number.

145430401 is a deficient number, since it is larger than the sum of its proper divisors (2170671).

145430401 is an equidigital number, since it uses as much as digits as its factorization.

145430401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170670.

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

The square root of 145430401 is about 12059.4527653621. The cubic root of 145430401 is about 525.8780782636.

Adding to 145430401 its reverse (104034541), we get a palindrome (249464942).

The spelling of 145430401 in words is "one hundred forty-five million, four hundred thirty thousand, four hundred one".