145898041 has 2 divisors, whose sum is σ = 145898042. Its totient is φ = 145898040.

The previous prime is 145898009. The next prime is 145898099. The reversal of 145898041 is 140898541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145805625 + 92416 = 12075^2 + 304^2 .

It is a cyclic number.

It is not a de Polignac number, because 145898041 - 2⁵ = 145898009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145897985 and 145898003.

It is not a weakly prime, because it can be changed into another prime (145898941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72949020 + 72949021.

It is an arithmetic number, because the mean of its divisors is an integer number (72949021).

Almost surely, 2^145898041 is an apocalyptic number.

It is an amenable number.

145898041 is a deficient number, since it is larger than the sum of its proper divisors (1).

145898041 is an equidigital number, since it uses as much as digits as its factorization.

145898041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 145898041 is about 12078.8261432972. The cubic root of 145898041 is about 526.4411391296.

It can be divided in two parts, 1458 and 98041, that added together give a palindrome (99499).

The spelling of 145898041 in words is "one hundred forty-five million, eight hundred ninety-eight thousand, forty-one".