454545432 has 160 divisors (see below), whose sum is σ = 1422146880. Its totient is φ = 134447040.

The previous prime is 454545431. The next prime is 454545451. The reversal of 454545432 is 234545454.

454545432 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×454545432² = 413223099504133248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454545431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 305763 + ... + 307245.

It is an arithmetic number, because the mean of its divisors is an integer number (8888418).

Almost surely, 2^454545432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454545432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (711073440).

454545432 is an abundant number, since it is smaller than the sum of its proper divisors (967601448).

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

454545432 is a wasteful number, since it uses less digits than its factorization.

454545432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1542 counting only the distinct ones).

The product of its digits is 192000, while the sum is 36.

The square root of 454545432 is about 21320.0711068233. The cubic root of 454545432 is about 768.8809471165.

The spelling of 454545432 in words is "four hundred fifty-four million, five hundred forty-five thousand, four hundred thirty-two".