145535017 has 8 divisors (see below), whose sum is σ = 147530376. Its totient is φ = 143549952.

The previous prime is 145535009. The next prime is 145535051. The reversal of 145535017 is 710535541.

It can be written as a sum of positive squares in 4 ways, for example, as 958441 + 144576576 = 979^2 + 12024^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 145535017 - 2³ = 145535009 is a prime.

It is a super-4 number, since 4×145535017⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145535017.

It is not an unprimeable number, because it can be changed into a prime (145535057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28383 + ... + 33115.

It is an arithmetic number, because the mean of its divisors is an integer number (18441297).

Almost surely, 2^145535017 is an apocalyptic number.

It is an amenable number.

145535017 is a deficient number, since it is larger than the sum of its proper divisors (1995359).

145535017 is an equidigital number, since it uses as much as digits as its factorization.

145535017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 145535017 is about 12063.7894958425. The cubic root of 145535017 is about 526.0041456106.

The spelling of 145535017 in words is "one hundred forty-five million, five hundred thirty-five thousand, seventeen".