981174148 has 6 divisors (see below), whose sum is σ = 1717054766. Its totient is φ = 490587072.

The previous prime is 981174143. The next prime is 981174151. The reversal of 981174148 is 841471189.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 525693184 + 455480964 = 22928^2 + 21342^2 .

It is not an unprimeable number, because it can be changed into a prime (981174143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122646765 + ... + 122646772.

Almost surely, 2^981174148 is an apocalyptic number.

It is an amenable number.

981174148 is a deficient number, since it is larger than the sum of its proper divisors (735880618).

981174148 is a wasteful number, since it uses less digits than its factorization.

981174148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245293541 (or 245293539 counting only the distinct ones).

The product of its digits is 64512, while the sum is 43.

The square root of 981174148 is about 31323.6994622283. The cubic root of 981174148 is about 993.6849197099.

The spelling of 981174148 in words is "nine hundred eighty-one million, one hundred seventy-four thousand, one hundred forty-eight".