451420514 has 4 divisors (see below), whose sum is σ = 677130774. Its totient is φ = 225710256.

The previous prime is 451420511. The next prime is 451420523. The reversal of 451420514 is 415024154.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 397324489 + 54096025 = 19933^2 + 7355^2 .

It is not an unprimeable number, because it can be changed into a prime (451420511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112855127 + ... + 112855130.

Almost surely, 2^451420514 is an apocalyptic number.

451420514 is a deficient number, since it is larger than the sum of its proper divisors (225710260).

451420514 is a wasteful number, since it uses less digits than its factorization.

451420514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225710259.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 451420514 is about 21246.6588902820. The cubic root of 451420514 is about 767.1149211864.

Adding to 451420514 its reverse (415024154), we get a palindrome (866444668).

The spelling of 451420514 in words is "four hundred fifty-one million, four hundred twenty thousand, five hundred fourteen".