145656205 has 8 divisors (see below), whose sum is σ = 174875904. Its totient is φ = 116466000.

The previous prime is 145656193. The next prime is 145656239. The reversal of 145656205 is 502656541.

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

It is not a de Polignac number, because 145656205 - 2²⁷ = 11438477 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 5560 + ... + 17950.

It is an arithmetic number, because the mean of its divisors is an integer number (21859488).

Almost surely, 2^145656205 is an apocalyptic number.

It is an amenable number.

145656205 is a deficient number, since it is larger than the sum of its proper divisors (29219699).

145656205 is a wasteful number, since it uses less digits than its factorization.

145656205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14747.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 145656205 is about 12068.8112504919. The cubic root of 145656205 is about 526.1501075153.

The spelling of 145656205 in words is "one hundred forty-five million, six hundred fifty-six thousand, two hundred five".