148717945 has 8 divisors (see below), whose sum is σ = 184615560. Its totient is φ = 114871680.

The previous prime is 148717927. The next prime is 148717973. The reversal of 148717945 is 549717841.

It is a happy number.

148717945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 657721 + 148060224 = 811^2 + 12168^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148717945 - 2⁵ = 148717913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148717895 and 148717904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512676 + ... + 512965.

It is an arithmetic number, because the mean of its divisors is an integer number (23076945).

Almost surely, 2^148717945 is an apocalyptic number.

It is an amenable number.

148717945 is a deficient number, since it is larger than the sum of its proper divisors (35897615).

148717945 is a wasteful number, since it uses less digits than its factorization.

148717945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025675.

The product of its digits is 282240, while the sum is 46.

The square root of 148717945 is about 12194.9967199668. The cubic root of 148717945 is about 529.8111882324.

The spelling of 148717945 in words is "one hundred forty-eight million, seven hundred seventeen thousand, nine hundred forty-five".