153390085 has 4 divisors (see below), whose sum is σ = 184068108. Its totient is φ = 122712064.

The previous prime is 153390067. The next prime is 153390089. The reversal of 153390085 is 580093351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24295041 + 129095044 = 4929^2 + 11362^2 .

It is a cyclic number.

It is not a de Polignac number, because 153390085 - 2⁵ = 153390053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153390085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153390089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15339004 + ... + 15339013.

It is an arithmetic number, because the mean of its divisors is an integer number (46017027).

Almost surely, 2^153390085 is an apocalyptic number.

It is an amenable number.

153390085 is a deficient number, since it is larger than the sum of its proper divisors (30678023).

153390085 is an equidigital number, since it uses as much as digits as its factorization.

153390085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30678022.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 153390085 is about 12385.0750906081. The cubic root of 153390085 is about 535.3022835356.

The spelling of 153390085 in words is "one hundred fifty-three million, three hundred ninety thousand, eighty-five".