148667438 has 32 divisors (see below), whose sum is σ = 241950240. Its totient is φ = 68290560.

The previous prime is 148667437. The next prime is 148667459. The reversal of 148667438 is 834766841.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 148667392 and 148667401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148667437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194978 + ... + 195738.

It is an arithmetic number, because the mean of its divisors is an integer number (7560945).

Almost surely, 2^148667438 is an apocalyptic number.

148667438 is a deficient number, since it is larger than the sum of its proper divisors (93282802).

148667438 is a wasteful number, since it uses less digits than its factorization.

148667438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its digits is 774144, while the sum is 47.

The square root of 148667438 is about 12192.9257358519. The cubic root of 148667438 is about 529.7512039816.

The spelling of 148667438 in words is "one hundred forty-eight million, six hundred sixty-seven thousand, four hundred thirty-eight".