354322140645 has 32 divisors (see below), whose sum is σ = 623926260864. Its totient is φ = 170272256000.

The previous prime is 354322140643. The next prime is 354322140659. The reversal of 354322140645 is 546041223453.

It is not a de Polignac number, because 354322140645 - 2¹ = 354322140643 is a prime.

It is a super-2 number, since 2×354322140645² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354322140643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9483156 + ... + 9520445.

It is an arithmetic number, because the mean of its divisors is an integer number (19497695652).

Almost surely, 2^354322140645 is an apocalyptic number.

It is an amenable number.

354322140645 is a deficient number, since it is larger than the sum of its proper divisors (269604120219).

354322140645 is a wasteful number, since it uses less digits than its factorization.

354322140645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003733.

The product of its (nonzero) digits is 345600, while the sum is 39.

The spelling of 354322140645 in words is "three hundred fifty-four billion, three hundred twenty-two million, one hundred forty thousand, six hundred forty-five".