452457642 has 32 divisors (see below), whose sum is σ = 1113743232. Its totient is φ = 119329344.

The previous prime is 452457637. The next prime is 452457647. The reversal of 452457642 is 246754254.

It is an interprime number because it is at equal distance from previous prime (452457637) and next prime (452457647).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 452457642.

It is not an unprimeable number, because it can be changed into a prime (452457647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413793 + ... + 414884.

It is an arithmetic number, because the mean of its divisors is an integer number (34804476).

Almost surely, 2^452457642 is an apocalyptic number.

452457642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

452457642 is an abundant number, since it is smaller than the sum of its proper divisors (661285590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

452457642 is a wasteful number, since it uses less digits than its factorization.

452457642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828702.

The product of its digits is 268800, while the sum is 39.

The square root of 452457642 is about 21271.0517370439. The cubic root of 452457642 is about 767.7019480109.

The spelling of 452457642 in words is "four hundred fifty-two million, four hundred fifty-seven thousand, six hundred forty-two".