144947873945188 has 6 divisors (see below), whose sum is σ = 253658779404086. Its totient is φ = 72473936972592.

The previous prime is 144947873945177. The next prime is 144947873945221. The reversal of 144947873945188 is 881549378749441.

It can be written as a sum of positive squares in only one way, i.e., 144704106607204 + 243767337984 = 12029302^2 + 493728^2 .

It is a super-2 number, since 2×144947873945188² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18118484243145 + ... + 18118484243152.

Almost surely, 2^{144947873945188} is an apocalyptic number.

It is an amenable number.

144947873945188 is a deficient number, since it is larger than the sum of its proper divisors (108710905458898).

144947873945188 is a wasteful number, since it uses less digits than its factorization.

144947873945188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36236968486301 (or 36236968486299 counting only the distinct ones).

The product of its digits is 7803371520, while the sum is 82.

The spelling of 144947873945188 in words is "one hundred forty-four trillion, nine hundred forty-seven billion, eight hundred seventy-three million, nine hundred forty-five thousand, one hundred eighty-eight".