148685651 has 2 divisors, whose sum is σ = 148685652. Its totient is φ = 148685650.

The previous prime is 148685599. The next prime is 148685671. The reversal of 148685651 is 156586841.

148685651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148685651 - 2¹⁸ = 148423507 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148685671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74342825 + 74342826.

It is an arithmetic number, because the mean of its divisors is an integer number (74342826).

Almost surely, 2^148685651 is an apocalyptic number.

148685651 is a deficient number, since it is larger than the sum of its proper divisors (1).

148685651 is an equidigital number, since it uses as much as digits as its factorization.

148685651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 44.

The square root of 148685651 is about 12193.6725804821. The cubic root of 148685651 is about 529.7728360772.

The spelling of 148685651 in words is "one hundred forty-eight million, six hundred eighty-five thousand, six hundred fifty-one".