148683901 has 4 divisors (see below), whose sum is σ = 151121404. Its totient is φ = 146246400.

The previous prime is 148683881. The next prime is 148683907. The reversal of 148683901 is 109386841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109386841 = 109 ⋅1003549.

It can be written as a sum of positive squares in 2 ways, for example, as 40627876 + 108056025 = 6374^2 + 10395^2 .

It is a cyclic number.

It is not a de Polignac number, because 148683901 - 2²⁷ = 14466173 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 (148683907) 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 3 ways as a sum of consecutive naturals, for example, 1218660 + ... + 1218781.

It is an arithmetic number, because the mean of its divisors is an integer number (37780351).

Almost surely, 2^148683901 is an apocalyptic number.

It is an amenable number.

148683901 is a deficient number, since it is larger than the sum of its proper divisors (2437503).

148683901 is an equidigital number, since it uses as much as digits as its factorization.

148683901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437502.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 148683901 is about 12193.6008217425. The cubic root of 148683901 is about 529.7707576294.

It can be divided in two parts, 14868 and 3901, that added together give a square (18769 = 137²).

The spelling of 148683901 in words is "one hundred forty-eight million, six hundred eighty-three thousand, nine hundred one".