215156151454 has 8 divisors (see below), whose sum is σ = 323037837360. Its totient is φ = 107476872336.

The previous prime is 215156151437. The next prime is 215156151569. The reversal of 215156151454 is 454151651512.

It is a happy number.

215156151454 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50599039 + ... + 50603290.

It is an arithmetic number, because the mean of its divisors is an integer number (40379729670).

Almost surely, 2^215156151454 is an apocalyptic number.

215156151454 is a deficient number, since it is larger than the sum of its proper divisors (107881685906).

215156151454 is a wasteful number, since it uses less digits than its factorization.

215156151454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101203394.

The product of its digits is 120000, while the sum is 40.

The spelling of 215156151454 in words is "two hundred fifteen billion, one hundred fifty-six million, one hundred fifty-one thousand, four hundred fifty-four".