145505510 has 8 divisors (see below), whose sum is σ = 261909936. Its totient is φ = 58202200.

The previous prime is 145505509. The next prime is 145505513. The reversal of 145505510 is 15505541.

145505510 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 a self number, because there is not a number n which added to its sum of digits gives 145505510.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145505513) 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, 7275266 + ... + 7275285.

It is an arithmetic number, because the mean of its divisors is an integer number (32738742).

Almost surely, 2^145505510 is an apocalyptic number.

145505510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145505510 is a deficient number, since it is larger than the sum of its proper divisors (116404426).

145505510 is a wasteful number, since it uses less digits than its factorization.

145505510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550558.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 145505510 is about 12062.5664765008. The cubic root of 145505510 is about 525.9685943650.

The spelling of 145505510 in words is "one hundred forty-five million, five hundred five thousand, five hundred ten".