145212519 has 8 divisors (see below), whose sum is σ = 193988992. Its totient is φ = 96622200.

The previous prime is 145212503. The next prime is 145212523. The reversal of 145212519 is 915212541.

145212519 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 not a de Polignac number, because 145212519 - 2⁴ = 145212503 is a prime.

It is a super-2 number, since 2×145212519² = 42173351348650722, 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 (145212559) 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, 44707 + ... + 47844.

It is an arithmetic number, because the mean of its divisors is an integer number (24248624).

Almost surely, 2^145212519 is an apocalyptic number.

145212519 is a deficient number, since it is larger than the sum of its proper divisors (48776473).

145212519 is an equidigital number, since it uses as much as digits as its factorization.

145212519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93077.

The product of its digits is 3600, while the sum is 30.

The square root of 145212519 is about 12050.4157189700. The cubic root of 145212519 is about 525.6153256920.

The spelling of 145212519 in words is "one hundred forty-five million, two hundred twelve thousand, five hundred nineteen".