1445688029 has 2 divisors, whose sum is σ = 1445688030. Its totient is φ = 1445688028.

The previous prime is 1445688001. The next prime is 1445688047. The reversal of 1445688029 is 9208865441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1331155225 + 114532804 = 36485^2 + 10702^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445688029 - 2¹² = 1445683933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445688059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722844014 + 722844015.

It is an arithmetic number, because the mean of its divisors is an integer number (722844015).

Almost surely, 2^1445688029 is an apocalyptic number.

It is an amenable number.

1445688029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445688029 is an equidigital number, since it uses as much as digits as its factorization.

1445688029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 1445688029 is about 38022.2044205751. The cubic root of 1445688029 is about 1130.7281257596.

The spelling of 1445688029 in words is "one billion, four hundred forty-five million, six hundred eighty-eight thousand, twenty-nine".