45455431 has 8 divisors (see below), whose sum is σ = 52801184. Its totient is φ = 38322720.

The previous prime is 45455401. The next prime is 45455437. The reversal of 45455431 is 13455454.

It is a happy number.

45455431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45455431 - 2⁷ = 45455303 is a prime.

It is a super-2 number, since 2×45455431² = 4132392414791522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45455393 and 45455402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45455437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52800 + ... + 53653.

It is an arithmetic number, because the mean of its divisors is an integer number (6600148).

Almost surely, 2^45455431 is an apocalyptic number.

45455431 is a deficient number, since it is larger than the sum of its proper divisors (7345753).

45455431 is a wasteful number, since it uses less digits than its factorization.

45455431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106521.

The product of its digits is 24000, while the sum is 31.

The square root of 45455431 is about 6742.0642981212. The cubic root of 45455431 is about 356.8852453345.

The spelling of 45455431 in words is "forty-five million, four hundred fifty-five thousand, four hundred thirty-one".