145020541 has 2 divisors, whose sum is σ = 145020542. Its totient is φ = 145020540.

The previous prime is 145020517. The next prime is 145020569.

145020541 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130988025 + 14032516 = 11445^2 + 3746^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 145020541 - 2¹¹ = 145018493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145020571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72510270 + 72510271.

It is an arithmetic number, because the mean of its divisors is an integer number (72510271).

Almost surely, 2^145020541 is an apocalyptic number.

It is an amenable number.

145020541 is a deficient number, since it is larger than the sum of its proper divisors (1).

145020541 is an equidigital number, since it uses as much as digits as its factorization.

145020541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 145020541 is about 12042.4474671887. The cubic root of 145020541 is about 525.3835938822.

The spelling of 145020541 in words is "one hundred forty-five million, twenty thousand, five hundred forty-one".