145403533 has 16 divisors (see below), whose sum is σ = 168848064. Its totient is φ = 123746560.

The previous prime is 145403501. The next prime is 145403543. The reversal of 145403533 is 335304541.

145403533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 145403533 - 2⁵ = 145403501 is a prime.

It is a super-2 number, since 2×145403533² = 42284374817764178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145403543) 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, 34866 + ... + 38812.

It is an arithmetic number, because the mean of its divisors is an integer number (10553004).

Almost surely, 2^145403533 is an apocalyptic number.

It is an amenable number.

145403533 is a deficient number, since it is larger than the sum of its proper divisors (23444531).

145403533 is a wasteful number, since it uses less digits than its factorization.

145403533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4172.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 145403533 is about 12058.3387330096. The cubic root of 145403533 is about 525.8456912654.

The spelling of 145403533 in words is "one hundred forty-five million, four hundred three thousand, five hundred thirty-three".