148761617 has 4 divisors (see below), whose sum is σ = 148965300. Its totient is φ = 148557936.

The previous prime is 148761607. The next prime is 148761629. The reversal of 148761617 is 716167841.

148761617 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: 716167841 = 71 ⋅10086871.

It can be written as a sum of positive squares in 2 ways, for example, as 89794576 + 58967041 = 9476^2 + 7679^2 .

It is a cyclic number.

It is not a de Polignac number, because 148761617 - 2⁴ = 148761601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148761607) 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, 100742 + ... + 102207.

It is an arithmetic number, because the mean of its divisors is an integer number (37241325).

Almost surely, 2^148761617 is an apocalyptic number.

It is an amenable number.

148761617 is a deficient number, since it is larger than the sum of its proper divisors (203683).

148761617 is an equidigital number, since it uses as much as digits as its factorization.

148761617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203682.

The product of its digits is 56448, while the sum is 41.

The square root of 148761617 is about 12196.7871589202. The cubic root of 148761617 is about 529.8630440003.

The spelling of 148761617 in words is "one hundred forty-eight million, seven hundred sixty-one thousand, six hundred seventeen".