145717033 has 24 divisors (see below), whose sum is σ = 186838400. Its totient is φ = 113513400.

The previous prime is 145717009. The next prime is 145717073. The reversal of 145717033 is 330717541.

It is not a de Polignac number, because 145717033 - 2²¹ = 143619881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145716986 and 145717004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145717073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39748 + ... + 43258.

Almost surely, 2^145717033 is an apocalyptic number.

It is an amenable number.

145717033 is a deficient number, since it is larger than the sum of its proper divisors (41121367).

145717033 is an equidigital number, since it uses as much as digits as its factorization.

145717033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 145717033 is about 12071.3310367995. The cubic root of 145717033 is about 526.2233397875.

The spelling of 145717033 in words is "one hundred forty-five million, seven hundred seventeen thousand, thirty-three".