145180687 has 2 divisors, whose sum is σ = 145180688. Its totient is φ = 145180686.

The previous prime is 145180667. The next prime is 145180741. The reversal of 145180687 is 786081541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145180687 - 2⁷ = 145180559 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145180667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72590343 + 72590344.

It is an arithmetic number, because the mean of its divisors is an integer number (72590344).

Almost surely, 2^145180687 is an apocalyptic number.

145180687 is a deficient number, since it is larger than the sum of its proper divisors (1).

145180687 is an equidigital number, since it uses as much as digits as its factorization.

145180687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 145180687 is about 12049.0948622708. The cubic root of 145180687 is about 525.5769162172.

The spelling of 145180687 in words is "one hundred forty-five million, one hundred eighty thousand, six hundred eighty-seven".