147951851 has 2 divisors, whose sum is σ = 147951852. Its totient is φ = 147951850.

The previous prime is 147951827. The next prime is 147951887. The reversal of 147951851 is 158159741.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147951851 - 2²⁶ = 80842987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 147951799 and 147951808.

It is not a weakly prime, because it can be changed into another prime (147950851) 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 as a sum of consecutive naturals, namely, 73975925 + 73975926.

It is an arithmetic number, because the mean of its divisors is an integer number (73975926).

Almost surely, 2^147951851 is an apocalyptic number.

147951851 is a deficient number, since it is larger than the sum of its proper divisors (1).

147951851 is an equidigital number, since it uses as much as digits as its factorization.

147951851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 41.

The square root of 147951851 is about 12163.5459879099. The cubic root of 147951851 is about 528.8998789700.

The spelling of 147951851 in words is "one hundred forty-seven million, nine hundred fifty-one thousand, eight hundred fifty-one".