145111419 has 30 divisors (see below), whose sum is σ = 221754764. Its totient is φ = 94565880.

The previous prime is 145111411. The next prime is 145111441. The reversal of 145111419 is 914111541.

145111419 is a `hidden beast` number, since 1 + 4 + 511 + 141 + 9 = 666.

It is not a de Polignac number, because 145111419 - 2³ = 145111411 is a prime.

It is a super-2 number, since 2×145111419² = 42114647848387122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145111392 and 145111401.

It is not an unprimeable number, because it can be changed into a prime (145111411) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 178524 + ... + 179334.

Almost surely, 2^145111419 is an apocalyptic number.

145111419 is a deficient number, since it is larger than the sum of its proper divisors (76643345).

145111419 is an frugal number, since it uses more digits than its factorization.

145111419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 861 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 145111419 is about 12046.2201125498. The cubic root of 145111419 is about 525.4933159027.

It can be divided in two parts, 145111 and 419, that added together give a triangular number (145530 = T₅₃₉).

The spelling of 145111419 in words is "one hundred forty-five million, one hundred eleven thousand, four hundred nineteen".