320154212502145 has 32 divisors (see below), whose sum is σ = 445111890573312. Its totient is φ = 216513075727872.

The previous prime is 320154212502143. The next prime is 320154212502227. The reversal of 320154212502145 is 541205212451023.

It is not a de Polignac number, because 320154212502145 - 2¹ = 320154212502143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320154212502143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35793999 + ... + 43835131.

It is an arithmetic number, because the mean of its divisors is an integer number (13909746580416).

Almost surely, 2^{320154212502145} is an apocalyptic number.

320154212502145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320154212502145 is a deficient number, since it is larger than the sum of its proper divisors (124957678071167).

320154212502145 is a wasteful number, since it uses less digits than its factorization.

320154212502145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056801.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 320154212502145 its reverse (541205212451023), we get a palindrome (861359424953168).

The spelling of 320154212502145 in words is "three hundred twenty trillion, one hundred fifty-four billion, two hundred twelve million, five hundred two thousand, one hundred forty-five".