145250541 has 6 divisors (see below), whose sum is σ = 209806350. Its totient is φ = 96833688.

The previous prime is 145250527. The next prime is 145250549. The reversal of 145250541 is 145052541.

It can be written as a sum of positive squares in only one way, i.e., 87048900 + 58201641 = 9330^2 + 7629^2 .

It is not a de Polignac number, because 145250541 - 2⁶ = 145250477 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145250549) 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 5 ways as a sum of consecutive naturals, for example, 8069466 + ... + 8069483.

It is an arithmetic number, because the mean of its divisors is an integer number (34967725).

Almost surely, 2^145250541 is an apocalyptic number.

It is an amenable number.

145250541 is a deficient number, since it is larger than the sum of its proper divisors (64555809).

145250541 is a wasteful number, since it uses less digits than its factorization.

145250541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16138955 (or 16138952 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 145250541 is about 12051.9932376350. The cubic root of 145250541 is about 525.6611968561.

The spelling of 145250541 in words is "one hundred forty-five million, two hundred fifty thousand, five hundred forty-one".