148573933 has 2 divisors, whose sum is σ = 148573934. Its totient is φ = 148573932.

The previous prime is 148573921. The next prime is 148573963. The reversal of 148573933 is 339375841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138250564 + 10323369 = 11758^2 + 3213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148573933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148573933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148573963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74286966 + 74286967.

It is an arithmetic number, because the mean of its divisors is an integer number (74286967).

Almost surely, 2^148573933 is an apocalyptic number.

It is an amenable number.

148573933 is a deficient number, since it is larger than the sum of its proper divisors (1).

148573933 is an equidigital number, since it uses as much as digits as its factorization.

148573933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The square root of 148573933 is about 12189.0907372125. The cubic root of 148573933 is about 529.6401176187.

The spelling of 148573933 in words is "one hundred forty-eight million, five hundred seventy-three thousand, nine hundred thirty-three".