145663034403 has 8 divisors (see below), whose sum is σ = 194219166400. Its totient is φ = 97107796008.

The previous prime is 145663034393. The next prime is 145663034449. The reversal of 145663034403 is 304430366541.

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

It is not a de Polignac number, because 145663034403 - 2⁹ = 145663033891 is a prime.

It is a super-3 number, since 3×145663034403³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145663034203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429768 + ... + 689946.

It is an arithmetic number, because the mean of its divisors is an integer number (24277395800).

Almost surely, 2^145663034403 is an apocalyptic number.

145663034403 is a deficient number, since it is larger than the sum of its proper divisors (48556131997).

145663034403 is a wasteful number, since it uses less digits than its factorization.

145663034403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446801.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 145663034403 in words is "one hundred forty-five billion, six hundred sixty-three million, thirty-four thousand, four hundred three".