445032121342 has 16 divisors (see below), whose sum is σ = 689243068800. Its totient is φ = 215287787520.

The previous prime is 445032121291. The next prime is 445032121357. The reversal of 445032121342 is 243121230544.

It is a super-2 number, since 2×445032121342² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 570867 + ... + 1102702.

It is an arithmetic number, because the mean of its divisors is an integer number (43077691800).

Almost surely, 2^445032121342 is an apocalyptic number.

445032121342 is a deficient number, since it is larger than the sum of its proper divisors (244210947458).

445032121342 is a wasteful number, since it uses less digits than its factorization.

445032121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677891.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 445032121342 its reverse (243121230544), we get a palindrome (688153351886).

The spelling of 445032121342 in words is "four hundred forty-five billion, thirty-two million, one hundred twenty-one thousand, three hundred forty-two".