145052456251301 has 4 divisors (see below), whose sum is σ = 145052880501600. Its totient is φ = 145052032001004.

The previous prime is 145052456251277. The next prime is 145052456251303. The reversal of 145052456251301 is 103152654250541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145052456251301 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 (145052456251303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211611881 + ... + 212296238.

It is an arithmetic number, because the mean of its divisors is an integer number (36263220125400).

Almost surely, 2^{145052456251301} is an apocalyptic number.

It is an amenable number.

145052456251301 is a deficient number, since it is larger than the sum of its proper divisors (424250299).

145052456251301 is an equidigital number, since it uses as much as digits as its factorization.

145052456251301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424250298.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 145052456251301 in words is "one hundred forty-five trillion, fifty-two billion, four hundred fifty-six million, two hundred fifty-one thousand, three hundred one".