145137583 has 8 divisors (see below), whose sum is σ = 146361600. Its totient is φ = 143918880.

The previous prime is 145137571. The next prime is 145137589. The reversal of 145137583 is 385731541.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145137583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145137589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67698 + ... + 69808.

It is an arithmetic number, because the mean of its divisors is an integer number (18295200).

Almost surely, 2^145137583 is an apocalyptic number.

145137583 is a deficient number, since it is larger than the sum of its proper divisors (1224017).

145137583 is a wasteful number, since it uses less digits than its factorization.

145137583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657.

The product of its digits is 50400, while the sum is 37.

The square root of 145137583 is about 12047.3060474116. The cubic root of 145137583 is about 525.5248966493.

The spelling of 145137583 in words is "one hundred forty-five million, one hundred thirty-seven thousand, five hundred eighty-three".