148461787 has 2 divisors, whose sum is σ = 148461788. Its totient is φ = 148461786.

The previous prime is 148461743. The next prime is 148461809. The reversal of 148461787 is 787164841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148461787 - 2¹⁵ = 148429019 is a prime.

It is not a weakly prime, because it can be changed into another prime (148461707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74230893 + 74230894.

It is an arithmetic number, because the mean of its divisors is an integer number (74230894).

Almost surely, 2^148461787 is an apocalyptic number.

148461787 is a deficient number, since it is larger than the sum of its proper divisors (1).

148461787 is an equidigital number, since it uses as much as digits as its factorization.

148461787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 46.

The square root of 148461787 is about 12184.4896076939. The cubic root of 148461787 is about 529.5068237756.

The spelling of 148461787 in words is "one hundred forty-eight million, four hundred sixty-one thousand, seven hundred eighty-seven".