145828617 has 16 divisors (see below), whose sum is σ = 219430080. Its totient is φ = 85332800.

The previous prime is 145828597. The next prime is 145828621. The reversal of 145828617 is 716828541.

It is a cyclic number.

It is not a de Polignac number, because 145828617 - 2⁷ = 145828489 is a prime.

It is a super-3 number, since 3×145828617³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (145828637) 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 15 ways as a sum of consecutive naturals, for example, 75234 + ... + 77147.

It is an arithmetic number, because the mean of its divisors is an integer number (13714380).

Almost surely, 2^145828617 is an apocalyptic number.

It is an amenable number.

145828617 is a deficient number, since it is larger than the sum of its proper divisors (73601463).

145828617 is a wasteful number, since it uses less digits than its factorization.

145828617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152424.

The product of its digits is 107520, while the sum is 42.

The square root of 145828617 is about 12075.9520121604. The cubic root of 145828617 is about 526.3576254469.

The spelling of 145828617 in words is "one hundred forty-five million, eight hundred twenty-eight thousand, six hundred seventeen".