145875219 has 8 divisors (see below), whose sum is σ = 222286080. Its totient is φ = 83357256.

The previous prime is 145875143. The next prime is 145875229. The reversal of 145875219 is 912578541.

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

It is not a de Polignac number, because 145875219 - 2¹¹ = 145873171 is a prime.

It is a super-2 number, since 2×145875219² = 42559159036595922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145875229) 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, 3473199 + ... + 3473240.

It is an arithmetic number, because the mean of its divisors is an integer number (27785760).

Almost surely, 2^145875219 is an apocalyptic number.

145875219 is a deficient number, since it is larger than the sum of its proper divisors (76410861).

145875219 is an equidigital number, since it uses as much as digits as its factorization.

145875219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6946449.

The product of its digits is 100800, while the sum is 42.

The square root of 145875219 is about 12077.8813953441. The cubic root of 145875219 is about 526.4136883014.

The spelling of 145875219 in words is "one hundred forty-five million, eight hundred seventy-five thousand, two hundred nineteen".