145416166273 has 4 divisors (see below), whose sum is σ = 166189904320. Its totient is φ = 124642428228.

The previous prime is 145416166267. The next prime is 145416166279. The reversal of 145416166273 is 372661614541.

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 an interprime number because it is at equal distance from previous prime (145416166267) and next prime (145416166279).

It is a cyclic number.

It is not a de Polignac number, because 145416166273 - 2²⁵ = 145382611841 is a prime.

It is a super-2 number, since 2×145416166273² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145416166279) 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, 10386869013 + ... + 10386869026.

It is an arithmetic number, because the mean of its divisors is an integer number (41547476080).

Almost surely, 2^145416166273 is an apocalyptic number.

It is an amenable number.

145416166273 is a deficient number, since it is larger than the sum of its proper divisors (20773738047).

145416166273 is an equidigital number, since it uses as much as digits as its factorization.

145416166273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20773738046.

The product of its digits is 725760, while the sum is 46.

The spelling of 145416166273 in words is "one hundred forty-five billion, four hundred sixteen million, one hundred sixty-six thousand, two hundred seventy-three".