148884613 has 4 divisors (see below), whose sum is σ = 149971500. Its totient is φ = 147797728.

The previous prime is 148884611. The next prime is 148884643. The reversal of 148884613 is 316488841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316488841 = 12037 ⋅26293.

It can be written as a sum of positive squares in 2 ways, for example, as 78021889 + 70862724 = 8833^2 + 8418^2 .

It is a cyclic number.

It is not a de Polignac number, because 148884613 - 2¹ = 148884611 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 148884613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148884611) 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, 543238 + ... + 543511.

It is an arithmetic number, because the mean of its divisors is an integer number (37492875).

Almost surely, 2^148884613 is an apocalyptic number.

It is an amenable number.

148884613 is a deficient number, since it is larger than the sum of its proper divisors (1086887).

148884613 is a wasteful number, since it uses less digits than its factorization.

148884613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086886.

The product of its digits is 147456, while the sum is 43.

The square root of 148884613 is about 12201.8282646495. The cubic root of 148884613 is about 530.0090339032.

The spelling of 148884613 in words is "one hundred forty-eight million, eight hundred eighty-four thousand, six hundred thirteen".