145007785 has 16 divisors (see below), whose sum is σ = 188080704. Its totient is φ = 106690752.

The previous prime is 145007777. The next prime is 145007809. The reversal of 145007785 is 587700541.

It is a cyclic number.

It is not a de Polignac number, because 145007785 - 2³ = 145007777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14454 + ... + 22336.

It is an arithmetic number, because the mean of its divisors is an integer number (11755044).

Almost surely, 2^145007785 is an apocalyptic number.

It is an amenable number.

145007785 is a deficient number, since it is larger than the sum of its proper divisors (43072919).

145007785 is a wasteful number, since it uses less digits than its factorization.

145007785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8184.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 145007785 is about 12041.9178289839. The cubic root of 145007785 is about 525.3681891917.

The spelling of 145007785 in words is "one hundred forty-five million, seven thousand, seven hundred eighty-five".