148669907 has 4 divisors (see below), whose sum is σ = 155133840. Its totient is φ = 142205976.

The previous prime is 148669901. The next prime is 148669933. The reversal of 148669907 is 709966841.

148669907 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: 709966841 = 37 ⋅19188293.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148669907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148669901) 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, 3231932 + ... + 3231977.

It is an arithmetic number, because the mean of its divisors is an integer number (38783460).

Almost surely, 2^148669907 is an apocalyptic number.

148669907 is a deficient number, since it is larger than the sum of its proper divisors (6463933).

148669907 is an equidigital number, since it uses as much as digits as its factorization.

148669907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463932.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 148669907 is about 12193.0269826651. The cubic root of 148669907 is about 529.7541365863.

The spelling of 148669907 in words is "one hundred forty-eight million, six hundred sixty-nine thousand, nine hundred seven".