352144146561 has 4 divisors (see below), whose sum is σ = 469525528752. Its totient is φ = 234762764372.

The previous prime is 352144146547. The next prime is 352144146611. The reversal of 352144146561 is 165641441253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352144146561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (352144146511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58690691091 + ... + 58690691096.

It is an arithmetic number, because the mean of its divisors is an integer number (117381382188).

Almost surely, 2^352144146561 is an apocalyptic number.

It is an amenable number.

352144146561 is a deficient number, since it is larger than the sum of its proper divisors (117381382191).

352144146561 is a wasteful number, since it uses less digits than its factorization.

352144146561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117381382190.

The product of its digits is 345600, while the sum is 42.

The spelling of 352144146561 in words is "three hundred fifty-two billion, one hundred forty-four million, one hundred forty-six thousand, five hundred sixty-one".