148656149 has 4 divisors (see below), whose sum is σ = 151461036. Its totient is φ = 145851264.

The previous prime is 148656113. The next prime is 148656169. The reversal of 148656149 is 941656841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941656841 = 12149 ⋅77509.

It can be written as a sum of positive squares in 2 ways, for example, as 112572100 + 36084049 = 10610^2 + 6007^2 .

It is a cyclic number.

It is not a de Polignac number, because 148656149 - 2¹⁶ = 148590613 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 (148656169) 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, 1402364 + ... + 1402469.

It is an arithmetic number, because the mean of its divisors is an integer number (37865259).

Almost surely, 2^148656149 is an apocalyptic number.

It is an amenable number.

148656149 is a deficient number, since it is larger than the sum of its proper divisors (2804887).

148656149 is an equidigital number, since it uses as much as digits as its factorization.

148656149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804886.

The product of its digits is 207360, while the sum is 44.

The square root of 148656149 is about 12192.4627946941. The cubic root of 148656149 is about 529.7377948298.

The spelling of 148656149 in words is "one hundred forty-eight million, six hundred fifty-six thousand, one hundred forty-nine".