148015138 has 8 divisors (see below), whose sum is σ = 222746832. Its totient is φ = 73766196.

The previous prime is 148015121. The next prime is 148015139. The reversal of 148015138 is 831510841.

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

It is not an unprimeable number, because it can be changed into a prime (148015139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119920 + ... + 121147.

It is an arithmetic number, because the mean of its divisors is an integer number (27843354).

Almost surely, 2^148015138 is an apocalyptic number.

148015138 is a deficient number, since it is larger than the sum of its proper divisors (74731694).

148015138 is a wasteful number, since it uses less digits than its factorization.

148015138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241376.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 148015138 is about 12166.1472126553. The cubic root of 148015138 is about 528.9752812375.

Adding to 148015138 its reverse (831510841), we get a palindrome (979525979).

The spelling of 148015138 in words is "one hundred forty-eight million, fifteen thousand, one hundred thirty-eight".