145904618903 has 8 divisors (see below), whose sum is σ = 146613854400. Its totient is φ = 145196206848.

The previous prime is 145904618891. The next prime is 145904618917. The reversal of 145904618903 is 309816409541.

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 145904618903 - 2²⁰ = 145903570327 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 (145904618933) 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, 150875 + ... + 560867.

It is an arithmetic number, because the mean of its divisors is an integer number (18326731800).

Almost surely, 2^145904618903 is an apocalyptic number.

145904618903 is a deficient number, since it is larger than the sum of its proper divisors (709235497).

145904618903 is a wasteful number, since it uses less digits than its factorization.

145904618903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411721.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 145904618903 in words is "one hundred forty-five billion, nine hundred four million, six hundred eighteen thousand, nine hundred three".