148226539 has 4 divisors (see below), whose sum is σ = 148891456. Its totient is φ = 147561624.

The previous prime is 148226501. The next prime is 148226557. The reversal of 148226539 is 935622841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 935622841 = 929 ⋅1007129.

It is a cyclic number.

It is not a de Polignac number, because 148226539 - 2⁷ = 148226411 is a prime.

It is a super-2 number, since 2×148226539² = 43942213727837042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148226599) 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, 332124 + ... + 332569.

It is an arithmetic number, because the mean of its divisors is an integer number (37222864).

Almost surely, 2^148226539 is an apocalyptic number.

148226539 is a deficient number, since it is larger than the sum of its proper divisors (664917).

148226539 is an equidigital number, since it uses as much as digits as its factorization.

148226539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664916.

The product of its digits is 103680, while the sum is 40.

The square root of 148226539 is about 12174.8321959689. The cubic root of 148226539 is about 529.2269958236.

The spelling of 148226539 in words is "one hundred forty-eight million, two hundred twenty-six thousand, five hundred thirty-nine".