145120541 has 2 divisors, whose sum is σ = 145120542. Its totient is φ = 145120540.

The previous prime is 145120523. The next prime is 145120559. The reversal of 145120541 is 145021541.

145120541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (145120523) and next prime (145120559).

It can be written as a sum of positive squares in only one way, i.e., 87815641 + 57304900 = 9371^2 + 7570^2 .

It is a cyclic number.

It is not a de Polignac number, because 145120541 - 2¹⁸ = 144858397 is a prime.

It is a super-3 number, since 3×145120541³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145110541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72560270 + 72560271.

It is an arithmetic number, because the mean of its divisors is an integer number (72560271).

Almost surely, 2^145120541 is an apocalyptic number.

It is an amenable number.

145120541 is a deficient number, since it is larger than the sum of its proper divisors (1).

145120541 is an equidigital number, since it uses as much as digits as its factorization.

145120541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145120541 is about 12046.5987315922. The cubic root of 145120541 is about 525.5043268661.

The spelling of 145120541 in words is "one hundred forty-five million, one hundred twenty thousand, five hundred forty-one".