148871551 has 2 divisors, whose sum is σ = 148871552. Its totient is φ = 148871550.

The previous prime is 148871519. The next prime is 148871563. The reversal of 148871551 is 155178841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148871551 - 2⁵ = 148871519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148871351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74435775 + 74435776.

It is an arithmetic number, because the mean of its divisors is an integer number (74435776).

Almost surely, 2^148871551 is an apocalyptic number.

148871551 is a deficient number, since it is larger than the sum of its proper divisors (1).

148871551 is an equidigital number, since it uses as much as digits as its factorization.

148871551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 40.

The square root of 148871551 is about 12201.2930052515. The cubic root of 148871551 is about 529.9935338003.

The spelling of 148871551 in words is "one hundred forty-eight million, eight hundred seventy-one thousand, five hundred fifty-one".