148562213 has 4 divisors (see below), whose sum is σ = 150033228. Its totient is φ = 147091200.

The previous prime is 148562207. The next prime is 148562237. The reversal of 148562213 is 312265841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312265841 = 101 ⋅3091741.

It can be written as a sum of positive squares in 2 ways, for example, as 79887844 + 68674369 = 8938^2 + 8287^2 .

It is a cyclic number.

It is not a de Polignac number, because 148562213 - 2¹⁸ = 148300069 is a prime.

It is a super-2 number, since 2×148562213² = 44141462262914738, which contains 22 as substring.

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 148562213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148562203) 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 3 ways as a sum of consecutive naturals, for example, 735356 + ... + 735557.

It is an arithmetic number, because the mean of its divisors is an integer number (37508307).

Almost surely, 2^148562213 is an apocalyptic number.

It is an amenable number.

148562213 is a deficient number, since it is larger than the sum of its proper divisors (1471015).

148562213 is a wasteful number, since it uses less digits than its factorization.

148562213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471014.

The product of its digits is 11520, while the sum is 32.

The square root of 148562213 is about 12188.6099699679. The cubic root of 148562213 is about 529.6261906682.

The spelling of 148562213 in words is "one hundred forty-eight million, five hundred sixty-two thousand, two hundred thirteen".