145977336 has 64 divisors (see below), whose sum is σ = 408535200. Its totient is φ = 48294144.

The previous prime is 145977319. The next prime is 145977367. The reversal of 145977336 is 633779541.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 145977291 and 145977300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27126 + ... + 32058.

Almost surely, 2^145977336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145977336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204267600).

145977336 is an abundant number, since it is smaller than the sum of its proper divisors (262557864).

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

145977336 is a wasteful number, since it uses less digits than its factorization.

145977336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085 (or 5075 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 145977336 is about 12082.1080942028. The cubic root of 145977336 is about 526.5364947390.

The spelling of 145977336 in words is "one hundred forty-five million, nine hundred seventy-seven thousand, three hundred thirty-six".