450146545431 has 16 divisors (see below), whose sum is σ = 668689648128. Its totient is φ = 267011489600.

The previous prime is 450146545403. The next prime is 450146545439. The reversal of 450146545431 is 134545641054.

It is a cyclic number.

It is not a de Polignac number, because 450146545431 - 2⁹ = 450146544919 is a prime.

It is a super-2 number, since 2×450146545431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450146545439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145113390 + ... + 145116491.

It is an arithmetic number, because the mean of its divisors is an integer number (41793103008).

Almost surely, 2^450146545431 is an apocalyptic number.

450146545431 is a deficient number, since it is larger than the sum of its proper divisors (218543102697).

450146545431 is a wasteful number, since it uses less digits than its factorization.

450146545431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290229942.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 450146545431 in words is "four hundred fifty billion, one hundred forty-six million, five hundred forty-five thousand, four hundred thirty-one".