152144345666 has 4 divisors (see below), whose sum is σ = 228216518502. Its totient is φ = 76072172832.

The previous prime is 152144345651. The next prime is 152144345677. The reversal of 152144345666 is 666543441251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81930475225 + 70213870441 = 286235^2 + 264979^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 152144345666.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38036086415 + ... + 38036086418.

Almost surely, 2^152144345666 is an apocalyptic number.

152144345666 is a deficient number, since it is larger than the sum of its proper divisors (76072172836).

152144345666 is an equidigital number, since it uses as much as digits as its factorization.

152144345666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76072172835.

The product of its digits is 2073600, while the sum is 47.

The spelling of 152144345666 in words is "one hundred fifty-two billion, one hundred forty-four million, three hundred forty-five thousand, six hundred sixty-six".