145053419 has 4 divisors (see below), whose sum is σ = 165775344. Its totient is φ = 124331496.

The previous prime is 145053413. The next prime is 145053487. The reversal of 145053419 is 914350541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145053419 - 2¹² = 145049323 is a prime.

It is a super-2 number, since 2×145053419² = 42080988727179122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145053413) 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, 10360952 + ... + 10360965.

It is an arithmetic number, because the mean of its divisors is an integer number (41443836).

Almost surely, 2^145053419 is an apocalyptic number.

145053419 is a deficient number, since it is larger than the sum of its proper divisors (20721925).

145053419 is an equidigital number, since it uses as much as digits as its factorization.

145053419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20721924.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 145053419 is about 12043.8124777829. The cubic root of 145053419 is about 525.4232945951.

The spelling of 145053419 in words is "one hundred forty-five million, fifty-three thousand, four hundred nineteen".