148688234 has 4 divisors (see below), whose sum is σ = 223032354. Its totient is φ = 74344116.

The previous prime is 148688233. The next prime is 148688291. The reversal of 148688234 is 432886841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 106399225 + 42289009 = 10315^2 + 6503^2 .

It is not an unprimeable number, because it can be changed into a prime (148688233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37172057 + ... + 37172060.

Almost surely, 2^148688234 is an apocalyptic number.

148688234 is a deficient number, since it is larger than the sum of its proper divisors (74344120).

148688234 is an equidigital number, since it uses as much as digits as its factorization.

148688234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74344119.

The product of its digits is 294912, while the sum is 44.

The square root of 148688234 is about 12193.7784956100. The cubic root of 148688234 is about 529.7759038364.

The spelling of 148688234 in words is "one hundred forty-eight million, six hundred eighty-eight thousand, two hundred thirty-four".