148343631 has 4 divisors (see below), whose sum is σ = 197791512. Its totient is φ = 98895752.

The previous prime is 148343627. The next prime is 148343633. The reversal of 148343631 is 136343841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148343631 - 2² = 148343627 is a prime.

It is a super-2 number, since 2×148343631² = 44011665716528322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 148343592 and 148343601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148343633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24723936 + ... + 24723941.

It is an arithmetic number, because the mean of its divisors is an integer number (49447878).

Almost surely, 2^148343631 is an apocalyptic number.

148343631 is a deficient number, since it is larger than the sum of its proper divisors (49447881).

148343631 is an equidigital number, since it uses as much as digits as its factorization.

148343631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49447880.

The product of its digits is 20736, while the sum is 33.

The square root of 148343631 is about 12179.6400193109. The cubic root of 148343631 is about 529.3663139638.

The spelling of 148343631 in words is "one hundred forty-eight million, three hundred forty-three thousand, six hundred thirty-one".