148005551 has 2 divisors, whose sum is σ = 148005552. Its totient is φ = 148005550.

The previous prime is 148005547. The next prime is 148005623. The reversal of 148005551 is 155500841.

148005551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (155500841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148005551 - 2² = 148005547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148005511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74002775 + 74002776.

It is an arithmetic number, because the mean of its divisors is an integer number (74002776).

Almost surely, 2^148005551 is an apocalyptic number.

148005551 is a deficient number, since it is larger than the sum of its proper divisors (1).

148005551 is an equidigital number, since it uses as much as digits as its factorization.

148005551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 29.

The square root of 148005551 is about 12165.7532031519. The cubic root of 148005551 is about 528.9638603437.

The spelling of 148005551 in words is "one hundred forty-eight million, five thousand, five hundred fifty-one".