145143597 has 8 divisors (see below), whose sum is σ = 194013856. Its totient is φ = 96517872.

The previous prime is 145143589. The next prime is 145143611. The reversal of 145143597 is 795341541.

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

It is not a de Polignac number, because 145143597 - 2³ = 145143589 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 (145143587) 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, 59743 + ... + 62124.

It is an arithmetic number, because the mean of its divisors is an integer number (24251732).

Almost surely, 2^145143597 is an apocalyptic number.

It is an amenable number.

145143597 is a deficient number, since it is larger than the sum of its proper divisors (48870259).

145143597 is a wasteful number, since it uses less digits than its factorization.

145143597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122267.

The product of its digits is 75600, while the sum is 39.

The square root of 145143597 is about 12047.5556441960. Note that the first 3 decimals coincide. The cubic root of 145143597 is about 525.5321551944.

The spelling of 145143597 in words is "one hundred forty-five million, one hundred forty-three thousand, five hundred ninety-seven".