148303831 has 4 divisors (see below), whose sum is σ = 159711832. Its totient is φ = 136895832.

The previous prime is 148303823. The next prime is 148303843. The reversal of 148303831 is 138303841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 138303841 = 13 ⋅10638757.

It is a cyclic number.

It is not a de Polignac number, because 148303831 - 2³ = 148303823 is a prime.

It is a super-2 number, since 2×148303831² = 43988052578553122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148303793 and 148303802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148303891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5703981 + ... + 5704006.

It is an arithmetic number, because the mean of its divisors is an integer number (39927958).

Almost surely, 2^148303831 is an apocalyptic number.

148303831 is a deficient number, since it is larger than the sum of its proper divisors (11408001).

148303831 is a wasteful number, since it uses less digits than its factorization.

148303831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11408000.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 148303831 is about 12178.0060354723. The cubic root of 148303831 is about 529.3189674444.

The spelling of 148303831 in words is "one hundred forty-eight million, three hundred three thousand, eight hundred thirty-one".