145808884 has 24 divisors (see below), whose sum is σ = 278901728. Its totient is φ = 66290400.

The previous prime is 145808863. The next prime is 145808921. The reversal of 145808884 is 488808541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17442 + ... + 24409.

Almost surely, 2^145808884 is an apocalyptic number.

It is an amenable number.

145808884 is a deficient number, since it is larger than the sum of its proper divisors (133092844).

145808884 is a wasteful number, since it uses less digits than its factorization.

145808884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41935 (or 41933 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 46.

The square root of 145808884 is about 12075.1349474861. The cubic root of 145808884 is about 526.3338827738. Note that the first 3 decimals are identical.

The spelling of 145808884 in words is "one hundred forty-five million, eight hundred eight thousand, eight hundred eighty-four".