145514533 has 4 divisors (see below), whose sum is σ = 145544428. Its totient is φ = 145484640.

The previous prime is 145514531. The next prime is 145514539. The reversal of 145514533 is 335415541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25020004 + 120494529 = 5002^2 + 10977^2 .

It is a cyclic number.

It is not a de Polignac number, because 145514533 - 2¹ = 145514531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145514495 and 145514504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145514531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5766 + ... + 18007.

It is an arithmetic number, because the mean of its divisors is an integer number (36386107).

Almost surely, 2^145514533 is an apocalyptic number.

It is an amenable number.

145514533 is a deficient number, since it is larger than the sum of its proper divisors (29895).

145514533 is an equidigital number, since it uses as much as digits as its factorization.

145514533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29894.

The product of its digits is 18000, while the sum is 31.

The square root of 145514533 is about 12062.9404790043. The cubic root of 145514533 is about 525.9794661562.

The spelling of 145514533 in words is "one hundred forty-five million, five hundred fourteen thousand, five hundred thirty-three".