148025881 has 2 divisors, whose sum is σ = 148025882. Its totient is φ = 148025880.

The previous prime is 148025879. The next prime is 148025923. The reversal of 148025881 is 188520841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137241225 + 10784656 = 11715^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 148025881 - 2¹ = 148025879 is a prime.

It is a super-2 number, since 2×148025881² = 43823322891652322, which contains 22 as substring.

Together with 148025879, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 148025881.

It is not a weakly prime, because it can be changed into another prime (148025821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74012940 + 74012941.

It is an arithmetic number, because the mean of its divisors is an integer number (74012941).

Almost surely, 2^148025881 is an apocalyptic number.

It is an amenable number.

148025881 is a deficient number, since it is larger than the sum of its proper divisors (1).

148025881 is an equidigital number, since it uses as much as digits as its factorization.

148025881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 148025881 is about 12166.5887166453. The cubic root of 148025881 is about 528.9880786762.

The spelling of 148025881 in words is "one hundred forty-eight million, twenty-five thousand, eight hundred eighty-one".