148788785238 has 32 divisors (see below), whose sum is σ = 298809561600. Its totient is φ = 49391057856.

The previous prime is 148788785231. The next prime is 148788785251. The reversal of 148788785238 is 832587887841.

It is a super-2 number, since 2×148788785238² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148788785231) 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 in 15 ways as a sum of consecutive naturals, for example, 5223178 + ... + 5251586.

It is an arithmetic number, because the mean of its divisors is an integer number (9337798800).

Almost surely, 2^148788785238 is an apocalyptic number.

148788785238 is an abundant number, since it is smaller than the sum of its proper divisors (150020776362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148788785238 is a wasteful number, since it uses less digits than its factorization.

148788785238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31996.

The product of its digits is 192675840, while the sum is 69.

The spelling of 148788785238 in words is "one hundred forty-eight billion, seven hundred eighty-eight million, seven hundred eighty-five thousand, two hundred thirty-eight".