148142644 has 12 divisors (see below), whose sum is σ = 279192004. Its totient is φ = 68373504.

The previous prime is 148142597. The next prime is 148142651. The reversal of 148142644 is 446241841.

It can be written as a sum of positive squares in 2 ways, for example, as 5817744 + 142324900 = 2412^2 + 11930^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424397 + ... + 1424500.

Almost surely, 2^148142644 is an apocalyptic number.

It is an amenable number.

148142644 is a deficient number, since it is larger than the sum of its proper divisors (131049360).

148142644 is a wasteful number, since it uses less digits than its factorization.

148142644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848914 (or 2848912 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 148142644 is about 12171.3862809460. The cubic root of 148142644 is about 529.1271309403.

The spelling of 148142644 in words is "one hundred forty-eight million, one hundred forty-two thousand, six hundred forty-four".