145053903 has 16 divisors (see below), whose sum is σ = 195333120. Its totient is φ = 95744064.

The previous prime is 145053901. The next prime is 145053959. The reversal of 145053903 is 309350541.

145053903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145053903 - 2¹ = 145053901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145053901) 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, 167650 + ... + 168512.

It is an arithmetic number, because the mean of its divisors is an integer number (12208320).

Almost surely, 2^145053903 is an apocalyptic number.

145053903 is a deficient number, since it is larger than the sum of its proper divisors (50279217).

145053903 is a wasteful number, since it uses less digits than its factorization.

145053903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 145053903 is about 12043.8325710714. The cubic root of 145053903 is about 525.4238789880.

The spelling of 145053903 in words is "one hundred forty-five million, fifty-three thousand, nine hundred three".