145166741681272 has 32 divisors (see below), whose sum is σ = 276042613406400. Its totient is φ = 71558108504064.

The previous prime is 145166741681209. The next prime is 145166741681279. The reversal of 145166741681272 is 272186147661541.

It is a self number, because there is not a number n which added to its sum of digits gives 145166741681272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145166741681279) 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, 170224153 + ... + 171074824.

It is an arithmetic number, because the mean of its divisors is an integer number (8626331668950).

Almost surely, 2^{145166741681272} is an apocalyptic number.

It is an amenable number.

145166741681272 is a deficient number, since it is larger than the sum of its proper divisors (130875871725128).

145166741681272 is a wasteful number, since it uses less digits than its factorization.

145166741681272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341299735 (or 341299731 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 61.

The spelling of 145166741681272 in words is "one hundred forty-five trillion, one hundred sixty-six billion, seven hundred forty-one million, six hundred eighty-one thousand, two hundred seventy-two".