148863961 has 4 divisors (see below), whose sum is σ = 148896000. Its totient is φ = 148831924.

The previous prime is 148863959. The next prime is 148863977. The reversal of 148863961 is 169368841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 148863961 - 2¹ = 148863959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148863901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7561 + ... + 18838.

It is an arithmetic number, because the mean of its divisors is an integer number (37224000).

Almost surely, 2^148863961 is an apocalyptic number.

It is an amenable number.

148863961 is a deficient number, since it is larger than the sum of its proper divisors (32039).

148863961 is an equidigital number, since it uses as much as digits as its factorization.

148863961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32038.

The product of its digits is 248832, while the sum is 46.

The square root of 148863961 is about 12200.9819686778. The cubic root of 148863961 is about 529.9845266635.

The spelling of 148863961 in words is "one hundred forty-eight million, eight hundred sixty-three thousand, nine hundred sixty-one".