145705633 has 8 divisors (see below), whose sum is σ = 148809600. Its totient is φ = 142622928.

The previous prime is 145705631. The next prime is 145705643. The reversal of 145705633 is 336507541.

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

It is a cyclic number.

It is not a de Polignac number, because 145705633 - 2¹ = 145705631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145705631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8935 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (18601200).

Almost surely, 2^145705633 is an apocalyptic number.

It is an amenable number.

145705633 is a deficient number, since it is larger than the sum of its proper divisors (3103967).

145705633 is a wasteful number, since it uses less digits than its factorization.

145705633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10631.

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

The square root of 145705633 is about 12070.8588343995. The cubic root of 145705633 is about 526.2096166091.

The spelling of 145705633 in words is "one hundred forty-five million, seven hundred five thousand, six hundred thirty-three".