148657897 has 8 divisors (see below), whose sum is σ = 154518336. Its totient is φ = 142894512.

The previous prime is 148657853. The next prime is 148657903. The reversal of 148657897 is 798756841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148657897 - 2²⁷ = 14440169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148657807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21133 + ... + 27274.

It is an arithmetic number, because the mean of its divisors is an integer number (19314792).

Almost surely, 2^148657897 is an apocalyptic number.

It is an amenable number.

148657897 is a deficient number, since it is larger than the sum of its proper divisors (5860439).

148657897 is an equidigital number, since it uses as much as digits as its factorization.

148657897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48527.

The product of its digits is 3386880, while the sum is 55.

The square root of 148657897 is about 12192.5344781141. The cubic root of 148657897 is about 529.7398711606.

The spelling of 148657897 in words is "one hundred forty-eight million, six hundred fifty-seven thousand, eight hundred ninety-seven".