1000145451 has 16 divisors (see below), whose sum is σ = 1356134400. Its totient is φ = 655531968.

The previous prime is 1000145407. The next prime is 1000145459. The reversal of 1000145451 is 1545410001.

1000145451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000145451 - 2⁶ = 1000145387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000145459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47815 + ... + 65471.

It is an arithmetic number, because the mean of its divisors is an integer number (84758400).

Almost surely, 2^1000145451 is an apocalyptic number.

1000145451 is a deficient number, since it is larger than the sum of its proper divisors (355988949).

1000145451 is a wasteful number, since it uses less digits than its factorization.

1000145451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17978.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1000145451 is about 31625.0763003032. The cubic root of 1000145451 is about 1000.0484813162.

Adding to 1000145451 its reverse (1545410001), we get a palindrome (2545555452).

The spelling of 1000145451 in words is "one billion, one hundred forty-five thousand, four hundred fifty-one".