148332637 has 4 divisors (see below), whose sum is σ = 151131420. Its totient is φ = 145533856.

The previous prime is 148332631. The next prime is 148332647. The reversal of 148332637 is 736233841.

148332637 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.

It can be written as a sum of positive squares in 2 ways, for example, as 41396356 + 106936281 = 6434^2 + 10341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148332637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148332596 and 148332605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148332631) 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, 1399312 + ... + 1399417.

It is an arithmetic number, because the mean of its divisors is an integer number (37782855).

Almost surely, 2^148332637 is an apocalyptic number.

It is an amenable number.

148332637 is a deficient number, since it is larger than the sum of its proper divisors (2798783).

148332637 is an equidigital number, since it uses as much as digits as its factorization.

148332637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798782.

The product of its digits is 72576, while the sum is 37.

The square root of 148332637 is about 12179.1886839806. The cubic root of 148332637 is about 529.3532362266.

The spelling of 148332637 in words is "one hundred forty-eight million, three hundred thirty-two thousand, six hundred thirty-seven".