145004216 has 32 divisors (see below), whose sum is σ = 311283840. Its totient is φ = 62032608.

The previous prime is 145004201. The next prime is 145004239. The reversal of 145004216 is 612400541.

It is a junction number, because it is equal to n+sod(n) for n = 145004191 and 145004200.

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, 33995 + ... + 38021.

It is an arithmetic number, because the mean of its divisors is an integer number (9727620).

Almost surely, 2^145004216 is an apocalyptic number.

It is an amenable number.

145004216 is an abundant number, since it is smaller than the sum of its proper divisors (166279624).

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

145004216 is a wasteful number, since it uses less digits than its factorization.

145004216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4683 (or 4679 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 145004216 is about 12041.7696373913. The cubic root of 145004216 is about 525.3638789532.

Adding to 145004216 its reverse (612400541), we get a palindrome (757404757).

The spelling of 145004216 in words is "one hundred forty-five million, four thousand, two hundred sixteen".