4540146432 has 72 divisors (see below), whose sum is σ = 12236528640. Its totient is φ = 1494205440.

The previous prime is 4540146427. The next prime is 4540146437. The reversal of 4540146432 is 2346410454.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4540146427) and next prime (4540146437).

It is a super-2 number, since 2×4540146432² = 41225859248004661248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4540146393 and 4540146402.

It is not an unprimeable number, because it can be changed into a prime (4540146437) 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, 23257 + ... + 98087.

Almost surely, 2^4540146432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4540146432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6118264320).

4540146432 is an abundant number, since it is smaller than the sum of its proper divisors (7696382208).

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

4540146432 is an equidigital number, since it uses as much as digits as its factorization.

4540146432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74929 (or 74915 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 4540146432 is about 67380.6087238754. The cubic root of 4540146432 is about 1655.8587477830.

Adding to 4540146432 its reverse (2346410454), we get a palindrome (6886556886).

The spelling of 4540146432 in words is "four billion, five hundred forty million, one hundred forty-six thousand, four hundred thirty-two".