145450885 has 16 divisors (see below), whose sum is σ = 179867376. Its totient is φ = 112831488.

The previous prime is 145450847. The next prime is 145450889. The reversal of 145450885 is 588054541.

It is a happy number.

145450885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 272484 + 145178401 = 522^2 + 12049^2 .

It is a cyclic number.

It is not a de Polignac number, because 145450885 - 2¹⁷ = 145319813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61179 + ... + 63511.

It is an arithmetic number, because the mean of its divisors is an integer number (11241711).

Almost surely, 2^145450885 is an apocalyptic number.

It is an amenable number.

145450885 is a deficient number, since it is larger than the sum of its proper divisors (34416491).

145450885 is a wasteful number, since it uses less digits than its factorization.

145450885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 145450885 is about 12060.3020277272. The cubic root of 145450885 is about 525.9027672346.

The spelling of 145450885 in words is "one hundred forty-five million, four hundred fifty thousand, eight hundred eighty-five".