145408541 has 2 divisors, whose sum is σ = 145408542. Its totient is φ = 145408540.

The previous prime is 145408517. The next prime is 145408547. The reversal of 145408541 is 145804541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99900025 + 45508516 = 9995^2 + 6746^2 .

It is a cyclic number.

It is not a de Polignac number, because 145408541 - 2⁶ = 145408477 is a prime.

It is a super-2 number, since 2×145408541² = 42287287591497362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145408498 and 145408507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145408547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72704270 + 72704271.

It is an arithmetic number, because the mean of its divisors is an integer number (72704271).

Almost surely, 2^145408541 is an apocalyptic number.

It is an amenable number.

145408541 is a deficient number, since it is larger than the sum of its proper divisors (1).

145408541 is an equidigital number, since it uses as much as digits as its factorization.

145408541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 145408541 is about 12058.5463883505. The cubic root of 145408541 is about 525.8517282691.

The spelling of 145408541 in words is "one hundred forty-five million, four hundred eight thousand, five hundred forty-one".