148162691 has 2 divisors, whose sum is σ = 148162692. Its totient is φ = 148162690.

The previous prime is 148162639. The next prime is 148162699. The reversal of 148162691 is 196261841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148162691 - 2¹⁸ = 147900547 is a prime.

It is a super-2 number, since 2×148162691² = 43904366008722962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148162699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74081345 + 74081346.

It is an arithmetic number, because the mean of its divisors is an integer number (74081346).

Almost surely, 2^148162691 is an apocalyptic number.

148162691 is a deficient number, since it is larger than the sum of its proper divisors (1).

148162691 is an equidigital number, since it uses as much as digits as its factorization.

148162691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 38.

The square root of 148162691 is about 12172.2097829441. The cubic root of 148162691 is about 529.1509974266.

The spelling of 148162691 in words is "one hundred forty-eight million, one hundred sixty-two thousand, six hundred ninety-one".