148742456 has 8 divisors (see below), whose sum is σ = 278892120. Its totient is φ = 74371224.

The previous prime is 148742453. The next prime is 148742467. The reversal of 148742456 is 654247841.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148742453) by changing a digit.

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 as a sum of consecutive naturals, namely, 9296396 + ... + 9296411.

It is an arithmetic number, because the mean of its divisors is an integer number (34861515).

Almost surely, 2^148742456 is an apocalyptic number.

It is an amenable number.

148742456 is a deficient number, since it is larger than the sum of its proper divisors (130149664).

148742456 is a wasteful number, since it uses less digits than its factorization.

148742456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18592813 (or 18592809 counting only the distinct ones).

The product of its digits is 215040, while the sum is 41.

The square root of 148742456 is about 12196.0016398818. The cubic root of 148742456 is about 529.8402936387.

The spelling of 148742456 in words is "one hundred forty-eight million, seven hundred forty-two thousand, four hundred fifty-six".