45435420 has 36 divisors (see below), whose sum is σ = 137821320. Its totient is φ = 12116064.

The previous prime is 45435413. The next prime is 45435427. The reversal of 45435420 is 2453454.

It is an interprime number because it is at equal distance from previous prime (45435413) and next prime (45435427).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45435427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126030 + ... + 126389.

It is an arithmetic number, because the mean of its divisors is an integer number (3828370).

Almost surely, 2^45435420 is an apocalyptic number.

It is an amenable number.

45435420 is an abundant number, since it is smaller than the sum of its proper divisors (92385900).

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

45435420 is a wasteful number, since it uses less digits than its factorization.

45435420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252434 (or 252429 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 45435420 is about 6740.5800937308. The cubic root of 45435420 is about 356.8328667097.

Adding to 45435420 its reverse (2453454), we get a palindrome (47888874).

The spelling of 45435420 in words is "forty-five million, four hundred thirty-five thousand, four hundred twenty".