354645143162731 has 32 divisors (see below), whose sum is σ = 370442880876992. Its totient is φ = 339223249797120.

The previous prime is 354645143162729. The next prime is 354645143162747. The reversal of 354645143162731 is 137261341546453.

It is a cyclic number.

It is not a de Polignac number, because 354645143162731 - 2¹ = 354645143162729 is a prime.

It is a super-2 number, since 2×354645143162731² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354645113162731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1863310051 + ... + 1863500371.

It is an arithmetic number, because the mean of its divisors is an integer number (11576340027406).

Almost surely, 2^{354645143162731} is an apocalyptic number.

354645143162731 is a deficient number, since it is larger than the sum of its proper divisors (15797737714261).

354645143162731 is a wasteful number, since it uses less digits than its factorization.

354645143162731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193919.

The product of its digits is 21772800, while the sum is 55.

The spelling of 354645143162731 in words is "three hundred fifty-four trillion, six hundred forty-five billion, one hundred forty-three million, one hundred sixty-two thousand, seven hundred thirty-one".