148580861 has 32 divisors (see below), whose sum is σ = 182332416. Its totient is φ = 120225600.

The previous prime is 148580827. The next prime is 148580869. The reversal of 148580861 is 168085841.

It is not a de Polignac number, because 148580861 - 2¹⁸ = 148318717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148580869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536255 + ... + 536531.

It is an arithmetic number, because the mean of its divisors is an integer number (5697888).

Almost surely, 2^148580861 is an apocalyptic number.

148580861 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

148580861 is a deficient number, since it is larger than the sum of its proper divisors (33751555).

148580861 is a wasteful number, since it uses less digits than its factorization.

148580861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 148580861 is about 12189.3749224478. The cubic root of 148580861 is about 529.6483498606.

The spelling of 148580861 in words is "one hundred forty-eight million, five hundred eighty thousand, eight hundred sixty-one".