354512320145021 has 8 divisors (see below), whose sum is σ = 354788802580800. Its totient is φ = 354235839965280.

The previous prime is 354512320144921. The next prime is 354512320145029. The reversal of 354512320145021 is 120541023215453.

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 354512320145021 - 2²⁶ = 354512253036157 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 (354512320145029) 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, 460524440 + ... + 461293598.

It is an arithmetic number, because the mean of its divisors is an integer number (44348600322600).

Almost surely, 2^{354512320145021} is an apocalyptic number.

It is an amenable number.

354512320145021 is a deficient number, since it is larger than the sum of its proper divisors (276482435779).

354512320145021 is a wasteful number, since it uses less digits than its factorization.

354512320145021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128019.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 354512320145021 in words is "three hundred fifty-four trillion, five hundred twelve billion, three hundred twenty million, one hundred forty-five thousand, twenty-one".