153890395800745 has 4 divisors (see below), whose sum is σ = 184668474960900. Its totient is φ = 123112316640592.

The previous prime is 153890395800703. The next prime is 153890395800767. The reversal of 153890395800745 is 547008593098351.

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 90060650420841 + 63829745379904 = 9490029^2 + 7989352^2 .

It is a cyclic number.

It is not a de Polignac number, because 153890395800745 - 2⁴⁷ = 13152907445417 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15389039580070 + ... + 15389039580079.

It is an arithmetic number, because the mean of its divisors is an integer number (46167118740225).

Almost surely, 2^{153890395800745} is an apocalyptic number.

It is an amenable number.

153890395800745 is a deficient number, since it is larger than the sum of its proper divisors (30778079160155).

153890395800745 is an equidigital number, since it uses as much as digits as its factorization.

153890395800745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30778079160154.

The product of its (nonzero) digits is 163296000, while the sum is 67.

The spelling of 153890395800745 in words is "one hundred fifty-three trillion, eight hundred ninety billion, three hundred ninety-five million, eight hundred thousand, seven hundred forty-five".