145195008 has 128 divisors (see below), whose sum is σ = 444589440. Its totient is φ = 41287680.

The previous prime is 145195003. The next prime is 145195019. The reversal of 145195008 is 800591541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a self number, because there is not a number n which added to its sum of digits gives 145195008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145195003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 688023 + ... + 688233.

It is an arithmetic number, because the mean of its divisors is an integer number (3473355).

Almost surely, 2^145195008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145195008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222294720).

145195008 is an abundant number, since it is smaller than the sum of its proper divisors (299394432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145195008 is an frugal number, since it uses more digits than its factorization.

145195008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 145195008 is about 12049.6891246206. The cubic root of 145195008 is about 525.5941970730.

The spelling of 145195008 in words is "one hundred forty-five million, one hundred ninety-five thousand, eight".