45571438 has 8 divisors (see below), whose sum is σ = 74571480. Its totient is φ = 20714280.

The previous prime is 45571433. The next prime is 45571439. The reversal of 45571438 is 83417554.

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

It is a super-2 number, since 2×45571438² = 4153511922775688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45571397 and 45571406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45571433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035693 + ... + 1035736.

It is an arithmetic number, because the mean of its divisors is an integer number (9321435).

Almost surely, 2^45571438 is an apocalyptic number.

45571438 is a deficient number, since it is larger than the sum of its proper divisors (29000042).

45571438 is a wasteful number, since it uses less digits than its factorization.

45571438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071442.

The product of its digits is 67200, while the sum is 37.

The square root of 45571438 is about 6750.6620416075. The cubic root of 45571438 is about 357.1885902121.

It can be divided in two parts, 4557 and 1438, that added together give a palindrome (5995).

The spelling of 45571438 in words is "forty-five million, five hundred seventy-one thousand, four hundred thirty-eight".