148617730 has 16 divisors (see below), whose sum is σ = 267830784. Its totient is φ = 59376240.

The previous prime is 148617701. The next prime is 148617731. The reversal of 148617730 is 37716841.

It is a self number, because there is not a number n which added to its sum of digits gives 148617730.

It is not an unprimeable number, because it can be changed into a prime (148617731) 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 7 ways as a sum of consecutive naturals, for example, 415 + ... + 17245.

It is an arithmetic number, because the mean of its divisors is an integer number (16739424).

Almost surely, 2^148617730 is an apocalyptic number.

148617730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

148617730 is a deficient number, since it is larger than the sum of its proper divisors (119213054).

148617730 is a wasteful number, since it uses less digits than its factorization.

148617730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 148617730 is about 12190.8871703416. The cubic root of 148617730 is about 529.6921553905.

The spelling of 148617730 in words is "one hundred forty-eight million, six hundred seventeen thousand, seven hundred thirty".