145969660 has 12 divisors (see below), whose sum is σ = 306536328. Its totient is φ = 58387856.

The previous prime is 145969631. The next prime is 145969687. The reversal of 145969660 is 66969541.

It is a self number, because there is not a number n which added to its sum of digits gives 145969660.

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, 3649222 + ... + 3649261.

It is an arithmetic number, because the mean of its divisors is an integer number (25544694).

Almost surely, 2^145969660 is an apocalyptic number.

145969660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145969660 is an abundant number, since it is smaller than the sum of its proper divisors (160566668).

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

145969660 is a wasteful number, since it uses less digits than its factorization.

145969660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298492 (or 7298490 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 145969660 is about 12081.7904302301. The cubic root of 145969660 is about 526.5272655324.

The spelling of 145969660 in words is "one hundred forty-five million, nine hundred sixty-nine thousand, six hundred sixty".