145205103727 has 8 divisors (see below), whose sum is σ = 147672234000. Its totient is φ = 142738174464.

The previous prime is 145205103721. The next prime is 145205103751. The reversal of 145205103727 is 727301502541.

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 145205103727 - 2⁷ = 145205103599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145205103721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472399 + ... + 2530447.

It is an arithmetic number, because the mean of its divisors is an integer number (18459029250).

Almost surely, 2^145205103727 is an apocalyptic number.

145205103727 is a deficient number, since it is larger than the sum of its proper divisors (2467130273).

145205103727 is an equidigital number, since it uses as much as digits as its factorization.

145205103727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100505.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 145205103727 in words is "one hundred forty-five billion, two hundred five million, one hundred three thousand, seven hundred twenty-seven".