145912583 has 8 divisors (see below), whose sum is σ = 147586320. Its totient is φ = 144244800.

The previous prime is 145912577. The next prime is 145912603. The reversal of 145912583 is 385219541.

It is a happy number.

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 145912583 - 2⁶ = 145912519 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 (145912573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63173 + ... + 65441.

It is an arithmetic number, because the mean of its divisors is an integer number (18448290).

Almost surely, 2^145912583 is an apocalyptic number.

145912583 is a deficient number, since it is larger than the sum of its proper divisors (1673737).

145912583 is a wasteful number, since it uses less digits than its factorization.

145912583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977.

The product of its digits is 43200, while the sum is 38.

The square root of 145912583 is about 12079.4280907665. The cubic root of 145912583 is about 526.4586290896.

The spelling of 145912583 in words is "one hundred forty-five million, nine hundred twelve thousand, five hundred eighty-three".