153214638985 has 8 divisors (see below), whose sum is σ = 187326577800. Its totient is φ = 120259037184.

The previous prime is 153214638971. The next prime is 153214639003. The reversal of 153214638985 is 589836412351.

It can be written as a sum of positive squares in 4 ways, for example, as 21401349264 + 131813289721 = 146292^2 + 363061^2 .

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 153214638985 - 2⁵ = 153214638953 is a prime.

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, 289083960 + ... + 289084489.

It is an arithmetic number, because the mean of its divisors is an integer number (23415822225).

Almost surely, 2^153214638985 is an apocalyptic number.

It is an amenable number.

153214638985 is a deficient number, since it is larger than the sum of its proper divisors (34111938815).

153214638985 is an equidigital number, since it uses as much as digits as its factorization.

153214638985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578168507.

The product of its digits is 6220800, while the sum is 55.

The spelling of 153214638985 in words is "one hundred fifty-three billion, two hundred fourteen million, six hundred thirty-eight thousand, nine hundred eighty-five".