148693665 has 16 divisors (see below), whose sum is σ = 242972928. Its totient is φ = 77615616.

The previous prime is 148693663. The next prime is 148693669. The reversal of 148693665 is 566396841.

It is not a de Polignac number, because 148693665 - 2¹ = 148693663 is a prime.

It is a super-2 number, since 2×148693665² = 44219612022264450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (148693663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104752 + ... + 106161.

It is an arithmetic number, because the mean of its divisors is an integer number (15185808).

Almost surely, 2^148693665 is an apocalyptic number.

148693665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148693665 is a deficient number, since it is larger than the sum of its proper divisors (94279263).

148693665 is a wasteful number, since it uses less digits than its factorization.

148693665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210968.

The product of its digits is 933120, while the sum is 48.

The square root of 148693665 is about 12194.0011891093. The cubic root of 148693665 is about 529.7823539722.

The spelling of 148693665 in words is "one hundred forty-eight million, six hundred ninety-three thousand, six hundred sixty-five".