148542636898 has 16 divisors (see below), whose sum is σ = 223783725240. Its totient is φ = 73948327936.

The previous prime is 148542636829. The next prime is 148542636971. The reversal of 148542636898 is 898636245841.

It can be written as a sum of positive squares in 4 ways, for example, as 140957446249 + 7585190649 = 375443^2 + 87093^2 .

It is a super-2 number, since 2×148542636898² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072188 + ... + 1202776.

Almost surely, 2^148542636898 is an apocalyptic number.

148542636898 is a deficient number, since it is larger than the sum of its proper divisors (75241088342).

148542636898 is a wasteful number, since it uses less digits than its factorization.

148542636898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133061.

The product of its digits is 79626240, while the sum is 64.

The spelling of 148542636898 in words is "one hundred forty-eight billion, five hundred forty-two million, six hundred thirty-six thousand, eight hundred ninety-eight".