148741631 has 2 divisors, whose sum is σ = 148741632. Its totient is φ = 148741630.

The previous prime is 148741603. The next prime is 148741673. The reversal of 148741631 is 136147841.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (136147841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148741631 is a prime.

It is a super-2 number, since 2×148741631² = 44248145585080322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148741591 and 148741600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148741031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74370815 + 74370816.

It is an arithmetic number, because the mean of its divisors is an integer number (74370816).

Almost surely, 2^148741631 is an apocalyptic number.

148741631 is a deficient number, since it is larger than the sum of its proper divisors (1).

148741631 is an equidigital number, since it uses as much as digits as its factorization.

148741631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 148741631 is about 12195.9678172747. The cubic root of 148741631 is about 529.8393140505.

The spelling of 148741631 in words is "one hundred forty-eight million, seven hundred forty-one thousand, six hundred thirty-one".