145085047 has 2 divisors, whose sum is σ = 145085048. Its totient is φ = 145085046.

The previous prime is 145085033. The next prime is 145085051. The reversal of 145085047 is 740580541.

It is a strong prime.

It is an emirp because it is prime and its reverse (740580541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145085047 - 2¹¹ = 145082999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145085947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72542523 + 72542524.

It is an arithmetic number, because the mean of its divisors is an integer number (72542524).

Almost surely, 2^145085047 is an apocalyptic number.

145085047 is a deficient number, since it is larger than the sum of its proper divisors (1).

145085047 is an equidigital number, since it uses as much as digits as its factorization.

145085047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 145085047 is about 12045.1254455900. The cubic root of 145085047 is about 525.4614802520.

The spelling of 145085047 in words is "one hundred forty-five million, eighty-five thousand, forty-seven".