145455433 has 2 divisors, whose sum is σ = 145455434. Its totient is φ = 145455432.

The previous prime is 145455421. The next prime is 145455461. The reversal of 145455433 is 334554541.

145455433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120824064 + 24631369 = 10992^2 + 4963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145455433 is a prime.

It is equal to p_8202769 and since 145455433 and 8202769 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (145455463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72727716 + 72727717.

It is an arithmetic number, because the mean of its divisors is an integer number (72727717).

Almost surely, 2^145455433 is an apocalyptic number.

It is an amenable number.

145455433 is a deficient number, since it is larger than the sum of its proper divisors (1).

145455433 is an equidigital number, since it uses as much as digits as its factorization.

145455433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 34.

The square root of 145455433 is about 12060.4905787451. The cubic root of 145455433 is about 525.9082485370.

The spelling of 145455433 in words is "one hundred forty-five million, four hundred fifty-five thousand, four hundred thirty-three".