145542033 has 96 divisors (see below), whose sum is σ = 279552000. Its totient is φ = 70823808.

The previous prime is 145542031. The next prime is 145542041. The reversal of 145542033 is 330245541.

145542033 is a `hidden beast` number, since 1 + 455 + 4 + 203 + 3 = 666.

It is not a de Polignac number, because 145542033 - 2¹ = 145542031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145541988 and 145542006.

It is not an unprimeable number, because it can be changed into a prime (145542031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 731268 + ... + 731466.

It is an arithmetic number, because the mean of its divisors is an integer number (2912000).

Almost surely, 2^145542033 is an apocalyptic number.

145542033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

145542033 is a deficient number, since it is larger than the sum of its proper divisors (134009967).

145542033 is a wasteful number, since it uses less digits than its factorization.

145542033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 145542033 is about 12064.0802799053. The cubic root of 145542033 is about 526.0125980684.

Adding to 145542033 its reverse (330245541), we get a palindrome (475787574).

The spelling of 145542033 in words is "one hundred forty-five million, five hundred forty-two thousand, thirty-three".