148371953 has 2 divisors, whose sum is σ = 148371954. Its totient is φ = 148371952.

The previous prime is 148371889. The next prime is 148372009. The reversal of 148371953 is 359173841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148157584 + 214369 = 12172^2 + 463^2 .

It is a cyclic number.

It is not a de Polignac number, because 148371953 - 2⁶ = 148371889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148371953.

It is not a weakly prime, because it can be changed into another prime (148374953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74185976 + 74185977.

It is an arithmetic number, because the mean of its divisors is an integer number (74185977).

Almost surely, 2^148371953 is an apocalyptic number.

It is an amenable number.

148371953 is a deficient number, since it is larger than the sum of its proper divisors (1).

148371953 is an equidigital number, since it uses as much as digits as its factorization.

148371953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 148371953 is about 12180.8026418623. The cubic root of 148371953 is about 529.4000009705.

The spelling of 148371953 in words is "one hundred forty-eight million, three hundred seventy-one thousand, nine hundred fifty-three".