148517897 has 8 divisors (see below), whose sum is σ = 162181632. Its totient is φ = 134881200.

The previous prime is 148517893. The next prime is 148517909. The reversal of 148517897 is 798715841.

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 148517897 - 2² = 148517893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148517893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5747 + ... + 18167.

It is an arithmetic number, because the mean of its divisors is an integer number (20272704).

Almost surely, 2^148517897 is an apocalyptic number.

It is an amenable number.

148517897 is a deficient number, since it is larger than the sum of its proper divisors (13663735).

148517897 is a wasteful number, since it uses less digits than its factorization.

148517897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13519.

The product of its digits is 564480, while the sum is 50.

The square root of 148517897 is about 12186.7919076351. The cubic root of 148517897 is about 529.5735230619.

The spelling of 148517897 in words is "one hundred forty-eight million, five hundred seventeen thousand, eight hundred ninety-seven".