145416933 has 12 divisors (see below), whose sum is σ = 217290060. Its totient is φ = 93601536.

The previous prime is 145416911. The next prime is 145416989. The reversal of 145416933 is 339614541.

145416933 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 2 ways, for example, as 42536484 + 102880449 = 6522^2 + 10143^2 .

It is not a de Polignac number, because 145416933 - 2⁹ = 145416421 is a prime.

It is a super-2 number, since 2×145416933² = 42292168806252978, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145416233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278316 + ... + 278837.

It is an arithmetic number, because the mean of its divisors is an integer number (18107505).

Almost surely, 2^145416933 is an apocalyptic number.

It is an amenable number.

145416933 is a deficient number, since it is larger than the sum of its proper divisors (71873127).

145416933 is a wasteful number, since it uses less digits than its factorization.

145416933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557188 (or 557185 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 145416933 is about 12058.8943523028. The cubic root of 145416933 is about 525.8618442792.

The spelling of 145416933 in words is "one hundred forty-five million, four hundred sixteen thousand, nine hundred thirty-three".