445130232532542 has 48 divisors (see below), whose sum is σ = 978580186348128. Its totient is φ = 146206514661120.

The previous prime is 445130232532457. The next prime is 445130232532549. The reversal of 445130232532542 is 245235232031544.

It is a happy number.

445130232532542 is a `hidden beast` number, since 4 + 4 + 5 + 1 + 30 + 2 + 32 + 532 + 54 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445130232532549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157944559 + ... + 160738122.

It is an arithmetic number, because the mean of its divisors is an integer number (20387087215586).

Almost surely, 2^{445130232532542} is an apocalyptic number.

445130232532542 is an abundant number, since it is smaller than the sum of its proper divisors (533449953815586).

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

445130232532542 is a wasteful number, since it uses less digits than its factorization.

445130232532542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318683825 (or 318683822 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 445130232532542 in words is "four hundred forty-five trillion, one hundred thirty billion, two hundred thirty-two million, five hundred thirty-two thousand, five hundred forty-two".