453739146 has 64 divisors (see below), whose sum is σ = 1116840960. Its totient is φ = 119934720.

The previous prime is 453739141. The next prime is 453739151. The reversal of 453739146 is 641937354.

It is an interprime number because it is at equal distance from previous prime (453739141) and next prime (453739151).

It is a super-2 number, since 2×453739146² = 411758425225618632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 453739098 and 453739107.

It is not an unprimeable number, because it can be changed into a prime (453739141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36741 + ... + 47511.

It is an arithmetic number, because the mean of its divisors is an integer number (17450640).

Almost surely, 2^453739146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 453739146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558420480).

453739146 is an abundant number, since it is smaller than the sum of its proper divisors (663101814).

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

453739146 is a wasteful number, since it uses less digits than its factorization.

453739146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10859.

The product of its digits is 272160, while the sum is 42.

The square root of 453739146 is about 21301.1536307309. The cubic root of 453739146 is about 768.4260568635.

The spelling of 453739146 in words is "four hundred fifty-three million, seven hundred thirty-nine thousand, one hundred forty-six".