145038541 has 16 divisors (see below), whose sum is σ = 153740160. Its totient is φ = 136624320.

The previous prime is 145038521. The next prime is 145038589. The reversal of 145038541 is 145830541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145038541 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145038511) 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 in 15 ways as a sum of consecutive naturals, for example, 288096 + ... + 288598.

It is an arithmetic number, because the mean of its divisors is an integer number (9608760).

Almost surely, 2^145038541 is an apocalyptic number.

It is an amenable number.

145038541 is a deficient number, since it is larger than the sum of its proper divisors (8701619).

145038541 is a wasteful number, since it uses less digits than its factorization.

145038541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 145038541 is about 12043.1948003842. The cubic root of 145038541 is about 525.4053299144.

The spelling of 145038541 in words is "one hundred forty-five million, thirty-eight thousand, five hundred forty-one".