148953693 has 16 divisors (see below), whose sum is σ = 229530240. Its totient is φ = 84158976.

The previous prime is 148953659. The next prime is 148953719. The reversal of 148953693 is 396359841.

148953693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148953693 - 2⁸ = 148953437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148953613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37980 + ... + 41717.

It is an arithmetic number, because the mean of its divisors is an integer number (14345640).

Almost surely, 2^148953693 is an apocalyptic number.

It is an amenable number.

148953693 is a deficient number, since it is larger than the sum of its proper divisors (80576547).

148953693 is an equidigital number, since it uses as much as digits as its factorization.

148953693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79796.

The product of its digits is 699840, while the sum is 48.

The square root of 148953693 is about 12204.6586597086. The cubic root of 148953693 is about 530.0909930396.

The spelling of 148953693 in words is "one hundred forty-eight million, nine hundred fifty-three thousand, six hundred ninety-three".