145973626 has 8 divisors (see below), whose sum is σ = 220898484. Its totient is φ = 72340800.

The previous prime is 145973623. The next prime is 145973627. The reversal of 145973626 is 626379541.

145973626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 98982601 + 46991025 = 9949^2 + 6855^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (145973623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322725 + ... + 323176.

Almost surely, 2^145973626 is an apocalyptic number.

145973626 is a deficient number, since it is larger than the sum of its proper divisors (74924858).

145973626 is a wasteful number, since it uses less digits than its factorization.

145973626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646016.

The product of its digits is 272160, while the sum is 43.

The square root of 145973626 is about 12081.9545604178. The cubic root of 145973626 is about 526.5320340763.

The spelling of 145973626 in words is "one hundred forty-five million, nine hundred seventy-three thousand, six hundred twenty-six".