145319583 has 8 divisors (see below), whose sum is σ = 196651648. Its totient is φ = 95433624.

The previous prime is 145319561. The next prime is 145319617. The reversal of 145319583 is 385913541.

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

It is not a de Polignac number, because 145319583 - 2¹⁰ = 145318559 is a prime.

It is a super-2 number, since 2×145319583² = 42235562406587778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145319513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361291 + ... + 361692.

It is an arithmetic number, because the mean of its divisors is an integer number (24581456).

Almost surely, 2^145319583 is an apocalyptic number.

145319583 is a deficient number, since it is larger than the sum of its proper divisors (51332065).

145319583 is an equidigital number, since it uses as much as digits as its factorization.

145319583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723053.

The product of its digits is 64800, while the sum is 39.

The square root of 145319583 is about 12054.8572368154. The cubic root of 145319583 is about 525.7444712483.

The spelling of 145319583 in words is "one hundred forty-five million, three hundred nineteen thousand, five hundred eighty-three".