145213050506 has 8 divisors (see below), whose sum is σ = 217829982240. Its totient is φ = 72603056428.

The previous prime is 145213050449. The next prime is 145213050547. The reversal of 145213050506 is 605050312541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1681766 + ... + 1766001.

It is an arithmetic number, because the mean of its divisors is an integer number (27228747780).

Almost surely, 2^145213050506 is an apocalyptic number.

145213050506 is a deficient number, since it is larger than the sum of its proper divisors (72616931734).

145213050506 is a wasteful number, since it uses less digits than its factorization.

145213050506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468828.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 145213050506 in words is "one hundred forty-five billion, two hundred thirteen million, fifty thousand, five hundred six".