148057531 has 2 divisors, whose sum is σ = 148057532. Its totient is φ = 148057530.

The previous prime is 148057529. The next prime is 148057537. The reversal of 148057531 is 135750841.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (135750841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148057531 - 2¹ = 148057529 is a prime.

It is a super-2 number, since 2×148057531² = 43842064971631922, which contains 22 as substring.

Together with 148057529, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148057537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74028765 + 74028766.

It is an arithmetic number, because the mean of its divisors is an integer number (74028766).

Almost surely, 2^148057531 is an apocalyptic number.

148057531 is a deficient number, since it is larger than the sum of its proper divisors (1).

148057531 is an equidigital number, since it uses as much as digits as its factorization.

148057531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 148057531 is about 12167.8893403910. The cubic root of 148057531 is about 529.0257776683.

The spelling of 148057531 in words is "one hundred forty-eight million, fifty-seven thousand, five hundred thirty-one".