145215321204 has 12 divisors (see below), whose sum is σ = 338835749504. Its totient is φ = 48405107064.

The previous prime is 145215321193. The next prime is 145215321239. The reversal of 145215321204 is 402123512541.

145215321204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050638372 + ... + 6050638395.

Almost surely, 2^145215321204 is an apocalyptic number.

It is an amenable number.

145215321204 is an abundant number, since it is smaller than the sum of its proper divisors (193620428300).

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

145215321204 is a wasteful number, since it uses less digits than its factorization.

145215321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101276774 (or 12101276772 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 145215321204 its reverse (402123512541), we get a palindrome (547338833745).

The spelling of 145215321204 in words is "one hundred forty-five billion, two hundred fifteen million, three hundred twenty-one thousand, two hundred four".