145217001216 has 144 divisors (see below), whose sum is σ = 464949497600. Its totient is φ = 39306829824.

The previous prime is 145217001169. The next prime is 145217001217. The reversal of 145217001216 is 612100712541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145217001217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 608701 + ... + 812988.

Almost surely, 2^145217001216 is an apocalyptic number.

145217001216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

145217001216 is an abundant number, since it is smaller than the sum of its proper divisors (319732496384).

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

145217001216 is a wasteful number, since it uses less digits than its factorization.

145217001216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421734 (or 1421720 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 145217001216 its reverse (612100712541), we get a palindrome (757317713757).

The spelling of 145217001216 in words is "one hundred forty-five billion, two hundred seventeen million, one thousand, two hundred sixteen".