148169761 has 4 divisors (see below), whose sum is σ = 148199812. Its totient is φ = 148139712.

The previous prime is 148169759. The next prime is 148169783. The reversal of 148169761 is 167961841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 167961841 = 11483 ⋅14627.

It can be written as a sum of positive squares in 2 ways, for example, as 120670225 + 27499536 = 10985^2 + 5244^2 .

It is a cyclic number.

It is not a de Polignac number, because 148169761 - 2¹ = 148169759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148169741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5700 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (37049953).

Almost surely, 2^148169761 is an apocalyptic number.

It is an amenable number.

148169761 is a deficient number, since it is larger than the sum of its proper divisors (30051).

148169761 is an equidigital number, since it uses as much as digits as its factorization.

148169761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30050.

The product of its digits is 72576, while the sum is 43.

The square root of 148169761 is about 12172.5001951119. The cubic root of 148169761 is about 529.1594139360.

The spelling of 148169761 in words is "one hundred forty-eight million, one hundred sixty-nine thousand, seven hundred sixty-one".