148438744 has 8 divisors (see below), whose sum is σ = 278322660. Its totient is φ = 74219368.

The previous prime is 148438729. The next prime is 148438753. The reversal of 148438744 is 447834841.

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

It is a self number, because there is not a number n which added to its sum of digits gives 148438744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9277414 + ... + 9277429.

Almost surely, 2^148438744 is an apocalyptic number.

It is an amenable number.

148438744 is a deficient number, since it is larger than the sum of its proper divisors (129883916).

148438744 is a wasteful number, since it uses less digits than its factorization.

148438744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18554849 (or 18554845 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 148438744 is about 12183.5439835870. The cubic root of 148438744 is about 529.4794271476.

The spelling of 148438744 in words is "one hundred forty-eight million, four hundred thirty-eight thousand, seven hundred forty-four".