451463042 has 4 divisors (see below), whose sum is σ = 677194566. Its totient is φ = 225731520.

The previous prime is 451463027. The next prime is 451463057. The reversal of 451463042 is 240364154.

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

It is an interprime number because it is at equal distance from previous prime (451463027) and next prime (451463057).

It can be written as a sum of positive squares in only one way, i.e., 343323841 + 108139201 = 18529^2 + 10399^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451462996 and 451463014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112865759 + ... + 112865762.

Almost surely, 2^451463042 is an apocalyptic number.

451463042 is a deficient number, since it is larger than the sum of its proper divisors (225731524).

451463042 is a wasteful number, since it uses less digits than its factorization.

451463042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225731523.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 451463042 is about 21247.6596828921. The cubic root of 451463042 is about 767.1390102105.

The spelling of 451463042 in words is "four hundred fifty-one million, four hundred sixty-three thousand, forty-two".