148605851 has 2 divisors, whose sum is σ = 148605852. Its totient is φ = 148605850.

The previous prime is 148605839. The next prime is 148605871. The reversal of 148605851 is 158506841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148605851 - 2¹⁸ = 148343707 is a prime.

It is not a weakly prime, because it can be changed into another prime (148605871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74302925 + 74302926.

It is an arithmetic number, because the mean of its divisors is an integer number (74302926).

Almost surely, 2^148605851 is an apocalyptic number.

148605851 is a deficient number, since it is larger than the sum of its proper divisors (1).

148605851 is an equidigital number, since it uses as much as digits as its factorization.

148605851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 148605851 is about 12190.3999524216. The cubic root of 148605851 is about 529.6780422678.

The spelling of 148605851 in words is "one hundred forty-eight million, six hundred five thousand, eight hundred fifty-one".