148639886 has 8 divisors (see below), whose sum is σ = 225646344. Its totient is φ = 73424440.

The previous prime is 148639847. The next prime is 148639889. The reversal of 148639886 is 688936841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148639889) by changing a digit.

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, 447545 + ... + 447876.

It is an arithmetic number, because the mean of its divisors is an integer number (28205793).

Almost surely, 2^148639886 is an apocalyptic number.

148639886 is a deficient number, since it is larger than the sum of its proper divisors (77006458).

148639886 is an equidigital number, since it uses as much as digits as its factorization.

148639886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895506.

The product of its digits is 1990656, while the sum is 53.

The square root of 148639886 is about 12191.7958480283. The cubic root of 148639886 is about 529.7184763332.

The spelling of 148639886 in words is "one hundred forty-eight million, six hundred thirty-nine thousand, eight hundred eighty-six".