145204023403 has 8 divisors (see below), whose sum is σ = 148181004000. Its totient is φ = 142253742528.

The previous prime is 145204023389. The next prime is 145204023421. The reversal of 145204023403 is 304320402541.

It is a happy number.

145204023403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145204023403 - 2²¹ = 145201926251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145204023103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6663943 + ... + 6685696.

It is an arithmetic number, because the mean of its divisors is an integer number (18522625500).

Almost surely, 2^145204023403 is an apocalyptic number.

145204023403 is a deficient number, since it is larger than the sum of its proper divisors (2976980597).

145204023403 is a wasteful number, since it uses less digits than its factorization.

145204023403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13349861.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 145204023403 its reverse (304320402541), we get a palindrome (449524425944).

The spelling of 145204023403 in words is "one hundred forty-five billion, two hundred four million, twenty-three thousand, four hundred three".