148141581 has 8 divisors (see below), whose sum is σ = 225739584. Its totient is φ = 84652320.

The previous prime is 148141559. The next prime is 148141583. The reversal of 148141581 is 185141841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148141581 - 2⁵ = 148141549 is a prime.

It is a super-2 number, since 2×148141581² = 43891856042359122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148141583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527160 + ... + 3527201.

It is an arithmetic number, because the mean of its divisors is an integer number (28217448).

Almost surely, 2^148141581 is an apocalyptic number.

It is an amenable number.

148141581 is a deficient number, since it is larger than the sum of its proper divisors (77598003).

148141581 is an equidigital number, since it uses as much as digits as its factorization.

148141581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054371.

The product of its digits is 5120, while the sum is 33.

The square root of 148141581 is about 12171.3426128755. The cubic root of 148141581 is about 529.1258653505.

The spelling of 148141581 in words is "one hundred forty-eight million, one hundred forty-one thousand, five hundred eighty-one".