445738542 has 16 divisors (see below), whose sum is σ = 897985872. Its totient is φ = 147494720.

The previous prime is 445738541. The next prime is 445738547. The reversal of 445738542 is 245837544.

It is a junction number, because it is equal to n+sod(n) for n = 445738494 and 445738503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445738541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270309 + ... + 271952.

It is an arithmetic number, because the mean of its divisors is an integer number (56124117).

Almost surely, 2^445738542 is an apocalyptic number.

445738542 is an abundant number, since it is smaller than the sum of its proper divisors (452247330).

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

445738542 is a wasteful number, since it uses less digits than its factorization.

445738542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542403.

The product of its digits is 537600, while the sum is 42.

The square root of 445738542 is about 21112.5209768990. The cubic root of 445738542 is about 763.8827965912.

The spelling of 445738542 in words is "four hundred forty-five million, seven hundred thirty-eight thousand, five hundred forty-two".