145129197327 has 8 divisors (see below), whose sum is σ = 193683618816. Its totient is φ = 96663787032.

The previous prime is 145129197289. The next prime is 145129197347. The reversal of 145129197327 is 723791921541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145129197327 - 2⁶ = 145129197263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145129197327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145129197347) 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, 22248993 + ... + 22255514.

It is an arithmetic number, because the mean of its divisors is an integer number (24210452352).

Almost surely, 2^145129197327 is an apocalyptic number.

145129197327 is a deficient number, since it is larger than the sum of its proper divisors (48554421489).

145129197327 is a wasteful number, since it uses less digits than its factorization.

145129197327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505597.

The product of its digits is 952560, while the sum is 51.

The spelling of 145129197327 in words is "one hundred forty-five billion, one hundred twenty-nine million, one hundred ninety-seven thousand, three hundred twenty-seven".