1454115809 has 16 divisors (see below), whose sum is σ = 1543913280. Its totient is φ = 1365698880.

The previous prime is 1454115797. The next prime is 1454115823. The reversal of 1454115809 is 9085114541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1454115809 - 2¹² = 1454111713 is a prime.

It is a super-2 number, since 2×1454115809² = 4228905571967448962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1454115869) 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, 1880747 + ... + 1881519.

It is an arithmetic number, because the mean of its divisors is an integer number (96494580).

Almost surely, 2^1454115809 is an apocalyptic number.

1454115809 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1454115809 is a deficient number, since it is larger than the sum of its proper divisors (89797471).

1454115809 is a wasteful number, since it uses less digits than its factorization.

1454115809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 1454115809 is about 38132.8704531930. The cubic root of 1454115809 is about 1132.9211000071.

The spelling of 1454115809 in words is "one billion, four hundred fifty-four million, one hundred fifteen thousand, eight hundred nine".