148690863 has 8 divisors (see below), whose sum is σ = 220282800. Its totient is φ = 99127224.

The previous prime is 148690813. The next prime is 148690873. The reversal of 148690863 is 368096841.

148690863 is a `hidden beast` number, since 1 + 486 + 90 + 86 + 3 = 666.

It is not a de Polignac number, because 148690863 - 2⁶ = 148690799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148690813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753508 + ... + 2753561.

It is an arithmetic number, because the mean of its divisors is an integer number (27535350).

Almost surely, 2^148690863 is an apocalyptic number.

148690863 is a deficient number, since it is larger than the sum of its proper divisors (71591937).

148690863 is an equidigital number, since it uses as much as digits as its factorization.

148690863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507078 (or 5507072 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 148690863 is about 12193.8862960092. The cubic root of 148690863 is about 529.7790261920.

The spelling of 148690863 in words is "one hundred forty-eight million, six hundred ninety thousand, eight hundred sixty-three".