145054421554211 has 8 divisors (see below), whose sum is σ = 156278899124544. Its totient is φ = 133839436147200.

The previous prime is 145054421554177. The next prime is 145054421554253. The reversal of 145054421554211 is 112455124450541.

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 a de Polignac number, because none of the positive numbers 2^k-145054421554211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145054421554711) 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, 2373009086 + ... + 2373070211.

It is an arithmetic number, because the mean of its divisors is an integer number (19534862390568).

Almost surely, 2^{145054421554211} is an apocalyptic number.

145054421554211 is a deficient number, since it is larger than the sum of its proper divisors (11224477570333).

145054421554211 is a wasteful number, since it uses less digits than its factorization.

145054421554211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746081661.

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 145054421554211 in words is "one hundred forty-five trillion, fifty-four billion, four hundred twenty-one million, five hundred fifty-four thousand, two hundred eleven".