145012216 has 16 divisors (see below), whose sum is σ = 272199240. Its totient is φ = 72425760.

The previous prime is 145012207. The next prime is 145012243. The reversal of 145012216 is 612210541.

145012216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1995 + ... + 17146.

Almost surely, 2^145012216 is an apocalyptic number.

It is an amenable number.

145012216 is a deficient number, since it is larger than the sum of its proper divisors (127187024).

145012216 is a wasteful number, since it uses less digits than its factorization.

145012216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20094 (or 20090 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 145012216 is about 12042.1018099001. The cubic root of 145012216 is about 525.3735403590.

Adding to 145012216 its reverse (612210541), we get a palindrome (757222757).

The spelling of 145012216 in words is "one hundred forty-five million, twelve thousand, two hundred sixteen".