145085953 has 4 divisors (see below), whose sum is σ = 145363888. Its totient is φ = 144808020.

The previous prime is 145085947. The next prime is 145085981. The reversal of 145085953 is 359580541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145085953 - 2¹³ = 145077761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145085933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 138183 + ... + 139228.

It is an arithmetic number, because the mean of its divisors is an integer number (36340972).

Almost surely, 2^145085953 is an apocalyptic number.

It is an amenable number.

145085953 is a deficient number, since it is larger than the sum of its proper divisors (277935).

145085953 is an equidigital number, since it uses as much as digits as its factorization.

145085953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277934.

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 145085953 is about 12045.1630541060. The cubic root of 145085953 is about 525.4625740176.

The spelling of 145085953 in words is "one hundred forty-five million, eighty-five thousand, nine hundred fifty-three".