145303199 has 8 divisors (see below), whose sum is σ = 155799360. Its totient is φ = 135023616.

The previous prime is 145303189. The next prime is 145303229. The reversal of 145303199 is 991303541.

145303199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145303199 - 2⁴ = 145303183 is a prime.

It is a super-2 number, since 2×145303199² = 42226039279267202, 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 (145303189) 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, 52754 + ... + 55439.

It is an arithmetic number, because the mean of its divisors is an integer number (19474920).

Almost surely, 2^145303199 is an apocalyptic number.

145303199 is a deficient number, since it is larger than the sum of its proper divisors (10496161).

145303199 is a wasteful number, since it uses less digits than its factorization.

145303199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108289.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 145303199 is about 12054.1776575592. The cubic root of 145303199 is about 525.7247122202.

The spelling of 145303199 in words is "one hundred forty-five million, three hundred three thousand, one hundred ninety-nine".