145624420104 has 64 divisors (see below), whose sum is σ = 371982067200. Its totient is φ = 47490533376.

The previous prime is 145624420033. The next prime is 145624420111. The reversal of 145624420104 is 401024426541.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286857 + ... + 611175.

It is an arithmetic number, because the mean of its divisors is an integer number (5812219800).

Almost surely, 2^145624420104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145624420104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185991033600).

145624420104 is an abundant number, since it is smaller than the sum of its proper divisors (226357647096).

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

145624420104 is a wasteful number, since it uses less digits than its factorization.

145624420104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324734 (or 324730 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 145624420104 its reverse (401024426541), we get a palindrome (546648846645).

The spelling of 145624420104 in words is "one hundred forty-five billion, six hundred twenty-four million, four hundred twenty thousand, one hundred four".