145526505 has 8 divisors (see below), whose sum is σ = 232842432. Its totient is φ = 77614128.

The previous prime is 145526501. The next prime is 145526519. The reversal of 145526505 is 505625541.

145526505 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 145526505 - 2² = 145526501 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145526501) 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, 4850869 + ... + 4850898.

It is an arithmetic number, because the mean of its divisors is an integer number (29105304).

Almost surely, 2^145526505 is an apocalyptic number.

145526505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145526505 is a deficient number, since it is larger than the sum of its proper divisors (87315927).

145526505 is an equidigital number, since it uses as much as digits as its factorization.

145526505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9701775.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 145526505 is about 12063.4366993821. The cubic root of 145526505 is about 525.9938904966.

The spelling of 145526505 in words is "one hundred forty-five million, five hundred twenty-six thousand, five hundred five".