42145120032452 has 24 divisors (see below), whose sum is σ = 74863132614816. Its totient is φ = 20757941705088.

The previous prime is 42145120032391. The next prime is 42145120032461. The reversal of 42145120032452 is 25423002154124.

It is a super-2 number, since 2×42145120032452² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285942938 + ... + 286090289.

It is an arithmetic number, because the mean of its divisors is an integer number (3119297192284).

Almost surely, 2^{42145120032452} is an apocalyptic number.

It is an amenable number.

42145120032452 is a deficient number, since it is larger than the sum of its proper divisors (32718012582364).

42145120032452 is a wasteful number, since it uses less digits than its factorization.

42145120032452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572033507 (or 572033505 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 42145120032452 its reverse (25423002154124), we get a palindrome (67568122186576).

The spelling of 42145120032452 in words is "forty-two trillion, one hundred forty-five billion, one hundred twenty million, thirty-two thousand, four hundred fifty-two".