145123533 has 12 divisors (see below), whose sum is σ = 211013088. Its totient is φ = 96107400.

The previous prime is 145123529. The next prime is 145123547. The reversal of 145123533 is 335321541.

145123533 is a `hidden beast` number, since 1 + 4 + 5 + 123 + 533 = 666.

It is not a de Polignac number, because 145123533 - 2² = 145123529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145123497 and 145123506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145123513) 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 11 ways as a sum of consecutive naturals, for example, 52035 + ... + 54752.

It is an arithmetic number, because the mean of its divisors is an integer number (17584424).

Almost surely, 2^145123533 is an apocalyptic number.

It is an amenable number.

145123533 is a deficient number, since it is larger than the sum of its proper divisors (65889555).

145123533 is a wasteful number, since it uses less digits than its factorization.

145123533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106944 (or 106941 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 145123533 is about 12046.7229153824. The cubic root of 145123533 is about 525.5079383423.

The spelling of 145123533 in words is "one hundred forty-five million, one hundred twenty-three thousand, five hundred thirty-three".