146630215451 has 4 divisors (see below), whose sum is σ = 149115473400. Its totient is φ = 144144957504.

The previous prime is 146630215429. The next prime is 146630215453. The reversal of 146630215451 is 154512036641.

146630215451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 154512036641 = 181 ⋅853657661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146630215451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146630215453) by changing a digit.

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, 1242628886 + ... + 1242629003.

It is an arithmetic number, because the mean of its divisors is an integer number (37278868350).

Almost surely, 2^146630215451 is an apocalyptic number.

146630215451 is a deficient number, since it is larger than the sum of its proper divisors (2485257949).

146630215451 is an equidigital number, since it uses as much as digits as its factorization.

146630215451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485257948.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 146630215451 in words is "one hundred forty-six billion, six hundred thirty million, two hundred fifteen thousand, four hundred fifty-one".