148121068225 has 81 divisors (see below), whose sum is σ = 206589607497. Its totient is φ = 105299064000.

The previous prime is 148121068223. The next prime is 148121068267. The reversal of 148121068225 is 522860121841.

The square root of 148121068225 is 384865.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 38178424449 + 109942643776 = 195393^2 + 331576^2 .

It is not a de Polignac number, because 148121068225 - 2¹ = 148121068223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148121068223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 775502880 + ... + 775503070.

Almost surely, 2^148121068225 is an apocalyptic number.

148121068225 is the 384865-th square number.

148121068225 is the 192433-rd centered octagonal number.

It is an amenable number.

148121068225 is a deficient number, since it is larger than the sum of its proper divisors (58468539272).

148121068225 is an equidigital number, since it uses as much as digits as its factorization.

148121068225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 148121068225 in words is "one hundred forty-eight billion, one hundred twenty-one million, sixty-eight thousand, two hundred twenty-five".