145783433 has 2 divisors, whose sum is σ = 145783434. Its totient is φ = 145783432.

The previous prime is 145783411. The next prime is 145783489. The reversal of 145783433 is 334387541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143233024 + 2550409 = 11968^2 + 1597^2 .

It is an emirp because it is prime and its reverse (334387541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145783433 - 2¹⁰ = 145782409 is a prime.

It is not a weakly prime, because it can be changed into another prime (145783633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72891716 + 72891717.

It is an arithmetic number, because the mean of its divisors is an integer number (72891717).

Almost surely, 2^145783433 is an apocalyptic number.

It is an amenable number.

145783433 is a deficient number, since it is larger than the sum of its proper divisors (1).

145783433 is an equidigital number, since it uses as much as digits as its factorization.

145783433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 145783433 is about 12074.0810416363. The cubic root of 145783433 is about 526.3032570607.

The spelling of 145783433 in words is "one hundred forty-five million, seven hundred eighty-three thousand, four hundred thirty-three".