148785851 has 2 divisors, whose sum is σ = 148785852. Its totient is φ = 148785850.

The previous prime is 148785817. The next prime is 148785859. The reversal of 148785851 is 158587841.

It is a strong prime.

It is an emirp because it is prime and its reverse (158587841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148785851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148785796 and 148785805.

It is not a weakly prime, because it can be changed into another prime (148785859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74392925 + 74392926.

It is an arithmetic number, because the mean of its divisors is an integer number (74392926).

Almost surely, 2^148785851 is an apocalyptic number.

148785851 is a deficient number, since it is larger than the sum of its proper divisors (1).

148785851 is an equidigital number, since it uses as much as digits as its factorization.

148785851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 358400, while the sum is 47.

The square root of 148785851 is about 12197.7805768099. The cubic root of 148785851 is about 529.8918148711.

The spelling of 148785851 in words is "one hundred forty-eight million, seven hundred eighty-five thousand, eight hundred fifty-one".