145156716846673 has 4 divisors (see below), whose sum is σ = 165893390681920. Its totient is φ = 124420043011428.

The previous prime is 145156716846671. The next prime is 145156716846703. The reversal of 145156716846673 is 376648617651541.

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 145156716846673 - 2¹ = 145156716846671 is a prime.

It is a super-2 number, since 2×145156716846673² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145156716846671) 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, 10368336917613 + ... + 10368336917626.

It is an arithmetic number, because the mean of its divisors is an integer number (41473347670480).

Almost surely, 2^{145156716846673} is an apocalyptic number.

It is an amenable number.

145156716846673 is a deficient number, since it is larger than the sum of its proper divisors (20736673835247).

145156716846673 is an equidigital number, since it uses as much as digits as its factorization.

145156716846673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20736673835246.

The product of its digits is 609638400, while the sum is 70.

The spelling of 145156716846673 in words is "one hundred forty-five trillion, one hundred fifty-six billion, seven hundred sixteen million, eight hundred forty-six thousand, six hundred seventy-three".