145320129193 has 16 divisors (see below), whose sum is σ = 152785474560. Its totient is φ = 138045700800.

The previous prime is 145320129191. The next prime is 145320129197. The reversal of 145320129193 is 391921023541.

It is a cyclic number.

It is not a de Polignac number, because 145320129193 - 2¹ = 145320129191 is a prime.

It is a super-2 number, since 2×145320129193² (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 (145320129191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359871 + ... + 648187.

It is an arithmetic number, because the mean of its divisors is an integer number (9549092160).

Almost surely, 2^145320129193 is an apocalyptic number.

It is an amenable number.

145320129193 is a deficient number, since it is larger than the sum of its proper divisors (7465345367).

145320129193 is a wasteful number, since it uses less digits than its factorization.

145320129193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288648.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 145320129193 in words is "one hundred forty-five billion, three hundred twenty million, one hundred twenty-nine thousand, one hundred ninety-three".