988144562 has 4 divisors (see below), whose sum is σ = 1482216846. Its totient is φ = 494072280.

The previous prime is 988144519. The next prime is 988144583. The reversal of 988144562 is 265441889.

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., 949194481 + 38950081 = 30809^2 + 6241^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247036139 + ... + 247036142.

Almost surely, 2^988144562 is an apocalyptic number.

988144562 is a deficient number, since it is larger than the sum of its proper divisors (494072284).

988144562 is a wasteful number, since it uses less digits than its factorization.

988144562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494072283.

The product of its digits is 552960, while the sum is 47.

The square root of 988144562 is about 31434.7667718404. The cubic root of 988144562 is about 996.0324668320.

The spelling of 988144562 in words is "nine hundred eighty-eight million, one hundred forty-four thousand, five hundred sixty-two".