145530033 has 32 divisors (see below), whose sum is σ = 224380800. Its totient is φ = 83059200.

The previous prime is 145530029. The next prime is 145530067. The reversal of 145530033 is 330035541.

It is a happy number.

It is not a de Polignac number, because 145530033 - 2² = 145530029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145529985 and 145530012.

It is not an unprimeable number, because it can be changed into a prime (145530733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37383 + ... + 41091.

It is an arithmetic number, because the mean of its divisors is an integer number (7011900).

Almost surely, 2^145530033 is an apocalyptic number.

It is an amenable number.

145530033 is a deficient number, since it is larger than the sum of its proper divisors (78850767).

145530033 is a wasteful number, since it uses less digits than its factorization.

145530033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 145530033 is about 12063.5829254828. The cubic root of 145530033 is about 525.9981410200.

Adding to 145530033 its reverse (330035541), we get a palindrome (475565574).

It can be divided in two parts, 1455300 and 33, that multiplied together give a triangular number (48024900 = T₉₈₀₀).

The spelling of 145530033 in words is "one hundred forty-five million, five hundred thirty thousand, thirty-three".