145519255 has 8 divisors (see below), whose sum is σ = 199569312. Its totient is φ = 99784608.

The previous prime is 145519249. The next prime is 145519273. The reversal of 145519255 is 552915541.

It is a happy number.

145519255 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 145519255 - 2¹⁵ = 145486487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078812 + ... + 2078881.

It is an arithmetic number, because the mean of its divisors is an integer number (24946164).

Almost surely, 2^145519255 is an apocalyptic number.

145519255 is a deficient number, since it is larger than the sum of its proper divisors (54050057).

145519255 is an equidigital number, since it uses as much as digits as its factorization.

145519255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157705.

The product of its digits is 45000, while the sum is 37.

The square root of 145519255 is about 12063.1362008393. The cubic root of 145519255 is about 525.9851555035.

The spelling of 145519255 in words is "one hundred forty-five million, five hundred nineteen thousand, two hundred fifty-five".