148742224 has 20 divisors (see below), whose sum is σ = 289918944. Its totient is φ = 73924448.

The previous prime is 148742207. The next prime is 148742249. The reversal of 148742224 is 422247841.

It is a self number, because there is not a number n which added to its sum of digits gives 148742224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25162 + ... + 30505.

Almost surely, 2^148742224 is an apocalyptic number.

It is an amenable number.

148742224 is a deficient number, since it is larger than the sum of its proper divisors (141176720).

148742224 is a wasteful number, since it uses less digits than its factorization.

148742224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55842 (or 55836 counting only the distinct ones).

The product of its digits is 28672, while the sum is 34.

The square root of 148742224 is about 12195.9921285642. The cubic root of 148742224 is about 529.8400181670.

The spelling of 148742224 in words is "one hundred forty-eight million, seven hundred forty-two thousand, two hundred twenty-four".