1445135347 has 2 divisors, whose sum is σ = 1445135348. Its totient is φ = 1445135346.

The previous prime is 1445135311. The next prime is 1445135353. The reversal of 1445135347 is 7435315441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445135347 is a prime.

It is a super-2 number, since 2×1445135347² = 4176832342297620818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1445135147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722567673 + 722567674.

It is an arithmetic number, because the mean of its divisors is an integer number (722567674).

Almost surely, 2^1445135347 is an apocalyptic number.

1445135347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445135347 is an equidigital number, since it uses as much as digits as its factorization.

1445135347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 1445135347 is about 38014.9358410612. The cubic root of 1445135347 is about 1130.5840161216.

The spelling of 1445135347 in words is "one billion, four hundred forty-five million, one hundred thirty-five thousand, three hundred forty-seven".