445353251431 has 32 divisors (see below), whose sum is σ = 503815620096. Its totient is φ = 390115440000.

The previous prime is 445353251359. The next prime is 445353251449. The reversal of 445353251431 is 134152353544.

It is not a de Polignac number, because 445353251431 - 2¹⁵ = 445353218663 is a prime.

It is a super-2 number, since 2×445353251431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445353221431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20331321 + ... + 20353213.

It is an arithmetic number, because the mean of its divisors is an integer number (15744238128).

Almost surely, 2^445353251431 is an apocalyptic number.

445353251431 is a deficient number, since it is larger than the sum of its proper divisors (58462368665).

445353251431 is a wasteful number, since it uses less digits than its factorization.

445353251431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423.

The product of its digits is 432000, while the sum is 40.

The spelling of 445353251431 in words is "four hundred forty-five billion, three hundred fifty-three million, two hundred fifty-one thousand, four hundred thirty-one".