148730357 has 4 divisors (see below), whose sum is σ = 153859020. Its totient is φ = 143601696.

The previous prime is 148730317. The next prime is 148730359. The reversal of 148730357 is 753037841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 753037841 = 103 ⋅7311047.

It can be written as a sum of positive squares in 2 ways, for example, as 61606801 + 87123556 = 7849^2 + 9334^2 .

It is a cyclic number.

It is not a de Polignac number, because 148730357 - 2¹⁶ = 148664821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 148730357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148730359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564288 + ... + 2564345.

It is an arithmetic number, because the mean of its divisors is an integer number (38464755).

Almost surely, 2^148730357 is an apocalyptic number.

It is an amenable number.

148730357 is a deficient number, since it is larger than the sum of its proper divisors (5128663).

148730357 is an equidigital number, since it uses as much as digits as its factorization.

148730357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5128662.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 148730357 is about 12195.5056065749. The cubic root of 148730357 is about 529.8259271700.

The spelling of 148730357 in words is "one hundred forty-eight million, seven hundred thirty thousand, three hundred fifty-seven".