148754861 has 2 divisors, whose sum is σ = 148754862. Its totient is φ = 148754860.

The previous prime is 148754843. The next prime is 148754917. The reversal of 148754861 is 168457841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119486761 + 29268100 = 10931^2 + 5410^2 .

It is an emirp because it is prime and its reverse (168457841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148754861 - 2¹⁰ = 148753837 is a prime.

It is a super-2 number, since 2×148754861² = 44256017342258642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148754821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74377430 + 74377431.

It is an arithmetic number, because the mean of its divisors is an integer number (74377431).

Almost surely, 2^148754861 is an apocalyptic number.

It is an amenable number.

148754861 is a deficient number, since it is larger than the sum of its proper divisors (1).

148754861 is an equidigital number, since it uses as much as digits as its factorization.

148754861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 44.

The square root of 148754861 is about 12196.5101975934. The cubic root of 148754861 is about 529.8550226459.

The spelling of 148754861 in words is "one hundred forty-eight million, seven hundred fifty-four thousand, eight hundred sixty-one".