145446616 has 32 divisors (see below), whose sum is σ = 312122880. Its totient is φ = 62244000.

The previous prime is 145446607. The next prime is 145446617. The reversal of 145446616 is 616644541.

145446616 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 not an unprimeable number, because it can be changed into a prime (145446617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49591 + ... + 52441.

It is an arithmetic number, because the mean of its divisors is an integer number (9753840).

Almost surely, 2^145446616 is an apocalyptic number.

It is an amenable number.

145446616 is an abundant number, since it is smaller than the sum of its proper divisors (166676264).

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

145446616 is a wasteful number, since it uses less digits than its factorization.

145446616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3775 (or 3771 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 145446616 is about 12060.1250408111. The cubic root of 145446616 is about 525.8976220822.

The spelling of 145446616 in words is "one hundred forty-five million, four hundred forty-six thousand, six hundred sixteen".