148240831 has 8 divisors (see below), whose sum is σ = 157590000. Its totient is φ = 139046400.

The previous prime is 148240817. The next prime is 148240847. The reversal of 148240831 is 138042841.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148240831 is a prime.

It is a super-2 number, since 2×148240831² = 43950687951141122, 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 = 148240793 and 148240802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148240031) 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 7 ways as a sum of consecutive naturals, for example, 36706 + ... + 40543.

It is an arithmetic number, because the mean of its divisors is an integer number (19698750).

Almost surely, 2^148240831 is an apocalyptic number.

148240831 is a deficient number, since it is larger than the sum of its proper divisors (9349169).

148240831 is a wasteful number, since it uses less digits than its factorization.

148240831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77369.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 148240831 is about 12175.4191303626. The cubic root of 148240831 is about 529.2440046291.

The spelling of 148240831 in words is "one hundred forty-eight million, two hundred forty thousand, eight hundred thirty-one".