145633705 has 16 divisors (see below), whose sum is σ = 199995264. Its totient is φ = 99728640.

The previous prime is 145633699. The next prime is 145633717. The reversal of 145633705 is 507336541.

It is not a de Polignac number, because 145633705 - 2⁵ = 145633673 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 28474 + ... + 33196.

It is an arithmetic number, because the mean of its divisors is an integer number (12499704).

Almost surely, 2^145633705 is an apocalyptic number.

It is an amenable number.

145633705 is a deficient number, since it is larger than the sum of its proper divisors (54361559).

145633705 is an equidigital number, since it uses as much as digits as its factorization.

145633705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 145633705 is about 12067.8790597188. The cubic root of 145633705 is about 526.1230140659.

The spelling of 145633705 in words is "one hundred forty-five million, six hundred thirty-three thousand, seven hundred five".