148533657 has 4 divisors (see below), whose sum is σ = 198044880. Its totient is φ = 99022436.

The previous prime is 148533647. The next prime is 148533689. The reversal of 148533657 is 756335841.

148533657 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148533657 - 2¹⁴ = 148517273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148533647) 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, 24755607 + ... + 24755612.

It is an arithmetic number, because the mean of its divisors is an integer number (49511220).

Almost surely, 2^148533657 is an apocalyptic number.

It is an amenable number.

148533657 is a deficient number, since it is larger than the sum of its proper divisors (49511223).

148533657 is an equidigital number, since it uses as much as digits as its factorization.

148533657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49511222.

The product of its digits is 302400, while the sum is 42.

The square root of 148533657 is about 12187.4384921525. The cubic root of 148533657 is about 529.5922543253.

The spelling of 148533657 in words is "one hundred forty-eight million, five hundred thirty-three thousand, six hundred fifty-seven".