148698899 has 4 divisors (see below), whose sum is σ = 150490536. Its totient is φ = 146907264.

The previous prime is 148698889. The next prime is 148698917. The reversal of 148698899 is 998896841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148698899 is a prime.

It is a super-2 number, since 2×148698899² = 44222725127624402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148698889) 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, 895694 + ... + 895859.

It is an arithmetic number, because the mean of its divisors is an integer number (37622634).

Almost surely, 2^148698899 is an apocalyptic number.

148698899 is a deficient number, since it is larger than the sum of its proper divisors (1791637).

148698899 is an equidigital number, since it uses as much as digits as its factorization.

148698899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1791636.

The product of its digits is 8957952, while the sum is 62.

The square root of 148698899 is about 12194.2158009443. The cubic root of 148698899 is about 529.7885699920.

The spelling of 148698899 in words is "one hundred forty-eight million, six hundred ninety-eight thousand, eight hundred ninety-nine".