145481433 has 12 divisors (see below), whose sum is σ = 197332848. Its totient is φ = 95336920.

The previous prime is 145481389. The next prime is 145481437. The reversal of 145481433 is 334184541.

It is not a de Polignac number, because 145481433 - 2⁸ = 145481177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145481394 and 145481403.

It is not an unprimeable number, because it can be changed into a prime (145481437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3478 + ... + 17408.

It is an arithmetic number, because the mean of its divisors is an integer number (16444404).

Almost surely, 2^145481433 is an apocalyptic number.

It is an amenable number.

145481433 is a deficient number, since it is larger than the sum of its proper divisors (51851415).

145481433 is an equidigital number, since it uses as much as digits as its factorization.

145481433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052 (or 13993 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 145481433 is about 12061.5684303493. The cubic root of 145481433 is about 525.9395818454.

The spelling of 145481433 in words is "one hundred forty-five million, four hundred eighty-one thousand, four hundred thirty-three".