148418531 has 2 divisors, whose sum is σ = 148418532. Its totient is φ = 148418530.

The previous prime is 148418513. The next prime is 148418533. The reversal of 148418531 is 135814841.

Together with previous prime (148418513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148418531 - 2¹⁴ = 148402147 is a prime.

It is a super-2 number, since 2×148418531² = 44056120688395922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 148418533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148418491 and 148418500.

It is not a weakly prime, because it can be changed into another prime (148418533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74209265 + 74209266.

It is an arithmetic number, because the mean of its divisors is an integer number (74209266).

Almost surely, 2^148418531 is an apocalyptic number.

148418531 is a deficient number, since it is larger than the sum of its proper divisors (1).

148418531 is an equidigital number, since it uses as much as digits as its factorization.

148418531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 35.

The square root of 148418531 is about 12182.7144348047. The cubic root of 148418531 is about 529.4553928710.

The spelling of 148418531 in words is "one hundred forty-eight million, four hundred eighteen thousand, five hundred thirty-one".