144565616642 has 8 divisors (see below), whose sum is σ = 218229625596. Its totient is φ = 71822408112.

The previous prime is 144565616567. The next prime is 144565616653. The reversal of 144565616642 is 246616565441.

It can be written as a sum of positive squares in 2 ways, for example, as 122982774721 + 21582841921 = 350689^2 + 146911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230199713 + ... + 230200340.

Almost surely, 2^144565616642 is an apocalyptic number.

144565616642 is a deficient number, since it is larger than the sum of its proper divisors (73664008954).

144565616642 is a wasteful number, since it uses less digits than its factorization.

144565616642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460400212.

The product of its digits is 4147200, while the sum is 50.

The spelling of 144565616642 in words is "one hundred forty-four billion, five hundred sixty-five million, six hundred sixteen thousand, six hundred forty-two".