145053121533 has 32 divisors (see below), whose sum is σ = 206449810560. Its totient is φ = 90425072640.

The previous prime is 145053121529. The next prime is 145053121553. The reversal of 145053121533 is 335121350541.

It is not a de Polignac number, because 145053121533 - 2² = 145053121529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145053121494 and 145053121503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145053121553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340266 + ... + 637092.

It is an arithmetic number, because the mean of its divisors is an integer number (6451556580).

Almost surely, 2^145053121533 is an apocalyptic number.

It is an amenable number.

145053121533 is a deficient number, since it is larger than the sum of its proper divisors (61396689027).

145053121533 is a wasteful number, since it uses less digits than its factorization.

145053121533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297037.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 145053121533 in words is "one hundred forty-five billion, fifty-three million, one hundred twenty-one thousand, five hundred thirty-three".