145272773013 has 4 divisors (see below), whose sum is σ = 193697030688. Its totient is φ = 96848515340.

The previous prime is 145272773011. The next prime is 145272773017. The reversal of 145272773013 is 310377272541.

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 not a de Polignac number, because 145272773013 - 2¹ = 145272773011 is a prime.

It is a super-2 number, since 2×145272773013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145272773011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24212128833 + ... + 24212128838.

It is an arithmetic number, because the mean of its divisors is an integer number (48424257672).

Almost surely, 2^145272773013 is an apocalyptic number.

It is an amenable number.

145272773013 is a deficient number, since it is larger than the sum of its proper divisors (48424257675).

145272773013 is an equidigital number, since it uses as much as digits as its factorization.

145272773013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48424257674.

The product of its (nonzero) digits is 246960, while the sum is 42.

The spelling of 145272773013 in words is "one hundred forty-five billion, two hundred seventy-two million, seven hundred seventy-three thousand, thirteen".