145003369 has 4 divisors (see below), whose sum is σ = 165718144. Its totient is φ = 124288596.

The previous prime is 145003367. The next prime is 145003379. The reversal of 145003369 is 963300541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145003369 - 2¹ = 145003367 is a prime.

It is a super-2 number, since 2×145003369² = 42051954042700322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145003369.

It is not an unprimeable number, because it can be changed into a prime (145003361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10357377 + ... + 10357390.

It is an arithmetic number, because the mean of its divisors is an integer number (41429536).

Almost surely, 2^145003369 is an apocalyptic number.

It is an amenable number.

145003369 is a deficient number, since it is larger than the sum of its proper divisors (20714775).

145003369 is an equidigital number, since it uses as much as digits as its factorization.

145003369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20714774.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 145003369 is about 12041.7344680905. The cubic root of 145003369 is about 525.3628560310.

The spelling of 145003369 in words is "one hundred forty-five million, three thousand, three hundred sixty-nine".