145302033 has 8 divisors (see below), whose sum is σ = 194540896. Its totient is φ = 96465600.

The previous prime is 145302013. The next prime is 145302083. The reversal of 145302033 is 330203541.

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

It is not a de Polignac number, because 145302033 - 2⁹ = 145301521 is a prime.

It is a super-2 number, since 2×145302033² = 42225361587866178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145302013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99763 + ... + 101208.

It is an arithmetic number, because the mean of its divisors is an integer number (24317612).

Almost surely, 2^145302033 is an apocalyptic number.

It is an amenable number.

145302033 is a deficient number, since it is larger than the sum of its proper divisors (49238863).

145302033 is a wasteful number, since it uses less digits than its factorization.

145302033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201215.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 145302033 is about 12054.1292924873. The cubic root of 145302033 is about 525.7233059730.

Adding to 145302033 its reverse (330203541), we get a palindrome (475505574).

The spelling of 145302033 in words is "one hundred forty-five million, three hundred two thousand, thirty-three".