145205104404 has 24 divisors (see below), whose sum is σ = 356644116640. Its totient is φ = 45854243424.

The previous prime is 145205104391. The next prime is 145205104469. The reversal of 145205104404 is 404401502541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318432019 + ... + 318432474.

Almost surely, 2^145205104404 is an apocalyptic number.

It is an amenable number.

145205104404 is an abundant number, since it is smaller than the sum of its proper divisors (211439012236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145205104404 is a wasteful number, since it uses less digits than its factorization.

145205104404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636864519 (or 636864517 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 145205104404 its reverse (404401502541), we get a palindrome (549606606945).

The spelling of 145205104404 in words is "one hundred forty-five billion, two hundred five million, one hundred four thousand, four hundred four".