145636626 has 8 divisors (see below), whose sum is σ = 291273264. Its totient is φ = 48545540.

The previous prime is 145636609. The next prime is 145636639. The reversal of 145636626 is 626636541.

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

145636626 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12136380 + ... + 12136391.

It is an arithmetic number, because the mean of its divisors is an integer number (36409158).

Almost surely, 2^145636626 is an apocalyptic number.

145636626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

145636626 is a wasteful number, since it uses less digits than its factorization.

145636626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24272776.

The product of its digits is 155520, while the sum is 39.

The square root of 145636626 is about 12068.0000828638. Note that the first 4 decimals coincide. The cubic root of 145636626 is about 526.1265315554.

The spelling of 145636626 in words is "one hundred forty-five million, six hundred thirty-six thousand, six hundred twenty-six".