1000145407 has 2 divisors, whose sum is σ = 1000145408. Its totient is φ = 1000145406.

The previous prime is 1000145401. The next prime is 1000145459. The reversal of 1000145407 is 7045410001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000145407 - 2¹⁵ = 1000112639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000145401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500072703 + 500072704.

It is an arithmetic number, because the mean of its divisors is an integer number (500072704).

Almost surely, 2^1000145407 is an apocalyptic number.

1000145407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000145407 is an equidigital number, since it uses as much as digits as its factorization.

1000145407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1000145407 is about 31625.0756046527. The cubic root of 1000145407 is about 1000.0484666509.

Adding to 1000145407 its reverse (7045410001), we get a palindrome (8045555408).

The spelling of 1000145407 in words is "one billion, one hundred forty-five thousand, four hundred seven".