148589457 has 4 divisors (see below), whose sum is σ = 198119280. Its totient is φ = 99059636.

The previous prime is 148589429. The next prime is 148589489. The reversal of 148589457 is 754985841.

148589457 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 148589457 - 2⁶ = 148589393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148589657) 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, 24764907 + ... + 24764912.

It is an arithmetic number, because the mean of its divisors is an integer number (49529820).

Almost surely, 2^148589457 is an apocalyptic number.

It is an amenable number.

148589457 is a deficient number, since it is larger than the sum of its proper divisors (49529823).

148589457 is an equidigital number, since it uses as much as digits as its factorization.

148589457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49529822.

The product of its digits is 1612800, while the sum is 51.

The square root of 148589457 is about 12189.7275195141. The cubic root of 148589457 is about 529.6585637589.

The spelling of 148589457 in words is "one hundred forty-eight million, five hundred eighty-nine thousand, four hundred fifty-seven".