145991626133 has 8 divisors (see below), whose sum is σ = 146963722752. Its totient is φ = 145020064176.

The previous prime is 145991626043. The next prime is 145991626139. The reversal of 145991626133 is 331626199541.

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

It is a cyclic number.

It is not a de Polignac number, because 145991626133 - 2²⁴ = 145974848917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145991626139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421916 + ... + 685562.

It is an arithmetic number, because the mean of its divisors is an integer number (18370465344).

Almost surely, 2^145991626133 is an apocalyptic number.

It is an amenable number.

145991626133 is a deficient number, since it is larger than the sum of its proper divisors (972096619).

145991626133 is a wasteful number, since it uses less digits than its factorization.

145991626133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267331.

The product of its digits is 1049760, while the sum is 50.

The spelling of 145991626133 in words is "one hundred forty-five billion, nine hundred ninety-one million, six hundred twenty-six thousand, one hundred thirty-three".