145205103655 has 8 divisors (see below), whose sum is σ = 176700295584. Its totient is φ = 114527968800.

The previous prime is 145205103649. The next prime is 145205103709. The reversal of 145205103655 is 556301502541.

It is a happy number.

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

It is not a de Polignac number, because 145205103655 - 2⁵ = 145205103623 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 204513876 + ... + 204514585.

It is an arithmetic number, because the mean of its divisors is an integer number (22087536948).

Almost surely, 2^145205103655 is an apocalyptic number.

145205103655 is a deficient number, since it is larger than the sum of its proper divisors (31495191929).

145205103655 is an equidigital number, since it uses as much as digits as its factorization.

145205103655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409028537.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 145205103655 in words is "one hundred forty-five billion, two hundred five million, one hundred three thousand, six hundred fifty-five".