452145145542 has 32 divisors (see below), whose sum is σ = 915879484800. Its totient is φ = 148786271040.

The previous prime is 452145145519. The next prime is 452145145631. The reversal of 452145145542 is 245541541254.

It is a super-3 number, since 3×452145145542³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 452145145494 and 452145145503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314209 + ... + 1001507.

It is an arithmetic number, because the mean of its divisors is an integer number (28621233900).

Almost surely, 2^452145145542 is an apocalyptic number.

452145145542 is an abundant number, since it is smaller than the sum of its proper divisors (463734339258).

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

452145145542 is a wasteful number, since it uses less digits than its factorization.

452145145542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688708.

The product of its digits is 640000, while the sum is 42.

Adding to 452145145542 its reverse (245541541254), we get a palindrome (697686686796).

The spelling of 452145145542 in words is "four hundred fifty-two billion, one hundred forty-five million, one hundred forty-five thousand, five hundred forty-two".