148190534381 has 2 divisors, whose sum is σ = 148190534382. Its totient is φ = 148190534380.

The previous prime is 148190534377. The next prime is 148190534411. The reversal of 148190534381 is 183435091841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135817309156 + 12373225225 = 368534^2 + 111235^2 .

It is a cyclic number.

It is not a de Polignac number, because 148190534381 - 2² = 148190534377 is a prime.

It is a super-2 number, since 2×148190534381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148190534311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74095267190 + 74095267191.

It is an arithmetic number, because the mean of its divisors is an integer number (74095267191).

Almost surely, 2^148190534381 is an apocalyptic number.

It is an amenable number.

148190534381 is a deficient number, since it is larger than the sum of its proper divisors (1).

148190534381 is an equidigital number, since it uses as much as digits as its factorization.

148190534381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 148190534381 in words is "one hundred forty-eight billion, one hundred ninety million, five hundred thirty-four thousand, three hundred eighty-one".