145779968 has 36 divisors (see below), whose sum is σ = 291815748. Its totient is φ = 72683520.

The previous prime is 145779967. The next prime is 145779983. The reversal of 145779968 is 869977541.

It can be written as a sum of positive squares in 2 ways, for example, as 104203264 + 41576704 = 10208^2 + 6448^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145779967) 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, 132830 + ... + 133922.

It is an arithmetic number, because the mean of its divisors is an integer number (8105993).

Almost surely, 2^145779968 is an apocalyptic number.

It is an amenable number.

145779968 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

145779968 is an equidigital number, since it uses as much as digits as its factorization.

145779968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1616 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 56.

The square root of 145779968 is about 12073.9375516026. The cubic root of 145779968 is about 526.2990872791.

The spelling of 145779968 in words is "one hundred forty-five million, seven hundred seventy-nine thousand, nine hundred sixty-eight".