148523506 has 4 divisors (see below), whose sum is σ = 222785262. Its totient is φ = 74261752.

The previous prime is 148523503. The next prime is 148523519. The reversal of 148523506 is 605325841.

148523506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 605325841 = 3529 ⋅171529.

It can be written as a sum of positive squares in only one way, i.e., 118919025 + 29604481 = 10905^2 + 5441^2 .

It is not an unprimeable number, because it can be changed into a prime (148523503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37130875 + ... + 37130878.

Almost surely, 2^148523506 is an apocalyptic number.

148523506 is a deficient number, since it is larger than the sum of its proper divisors (74261756).

148523506 is an equidigital number, since it uses as much as digits as its factorization.

148523506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74261755.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 148523506 is about 12187.0220316532. The cubic root of 148523506 is about 529.5801896894.

The spelling of 148523506 in words is "one hundred forty-eight million, five hundred twenty-three thousand, five hundred six".