145210421213 has 8 divisors (see below), whose sum is σ = 170596858656. Its totient is φ = 121854898800.

The previous prime is 145210421197. The next prime is 145210421221. The reversal of 145210421213 is 312124012541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 145210421213 - 2⁴ = 145210421197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145210421273) 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, 507728603 + ... + 507728888.

It is an arithmetic number, because the mean of its divisors is an integer number (21324607332).

Almost surely, 2^145210421213 is an apocalyptic number.

145210421213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145210421213 is a deficient number, since it is larger than the sum of its proper divisors (25386437443).

145210421213 is a wasteful number, since it uses less digits than its factorization.

145210421213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015457515.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 145210421213 its reverse (312124012541), we get a palindrome (457334433754).

The spelling of 145210421213 in words is "one hundred forty-five billion, two hundred ten million, four hundred twenty-one thousand, two hundred thirteen".