451420015 has 16 divisors (see below), whose sum is σ = 550368000. Its totient is φ = 355398912.

The previous prime is 451420009. The next prime is 451420019. The reversal of 451420015 is 510024154.

It is a cyclic number.

It is not a de Polignac number, because 451420015 - 2²⁷ = 317202287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451420019) 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, 96961 + ... + 101509.

It is an arithmetic number, because the mean of its divisors is an integer number (34398000).

Almost surely, 2^451420015 is an apocalyptic number.

451420015 is a deficient number, since it is larger than the sum of its proper divisors (98947985).

451420015 is a wasteful number, since it uses less digits than its factorization.

451420015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4866.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 451420015 is about 21246.6471472560. The cubic root of 451420015 is about 767.1146385301.

Adding to 451420015 its reverse (510024154), we get a palindrome (961444169).

The spelling of 451420015 in words is "four hundred fifty-one million, four hundred twenty thousand, fifteen".