148636451 has 2 divisors, whose sum is σ = 148636452. Its totient is φ = 148636450.

The previous prime is 148636429. The next prime is 148636469. The reversal of 148636451 is 154636841.

It is a strong prime.

It is an emirp because it is prime and its reverse (154636841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148636451 - 2⁶ = 148636387 is a prime.

It is not a weakly prime, because it can be changed into another prime (148636421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74318225 + 74318226.

It is an arithmetic number, because the mean of its divisors is an integer number (74318226).

Almost surely, 2^148636451 is an apocalyptic number.

148636451 is a deficient number, since it is larger than the sum of its proper divisors (1).

148636451 is an equidigital number, since it uses as much as digits as its factorization.

148636451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 148636451 is about 12191.6549737925. The cubic root of 148636451 is about 529.7143957842.

The spelling of 148636451 in words is "one hundred forty-eight million, six hundred thirty-six thousand, four hundred fifty-one".