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45534421 = 131347591
BaseRepresentation
bin1010110110110…
…0110011010101
310011200101111001
42231230303111
543124100141
64303543301
71062015262
oct255546325
9104611431
1045534421
1123780759
12132bab31
13958395a
146094269
153ee6a31
hex2b6ccd5

45534421 has 4 divisors (see below), whose sum is σ = 45882144. Its totient is φ = 45186700.

The previous prime is 45534409. The next prime is 45534439. The reversal of 45534421 is 12443554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45534421 - 29 = 45533909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45534421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45534451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173665 + ... + 173926.

It is an arithmetic number, because the mean of its divisors is an integer number (11470536).

Almost surely, 245534421 is an apocalyptic number.

It is an amenable number.

45534421 is a deficient number, since it is larger than the sum of its proper divisors (347723).

45534421 is a wasteful number, since it uses less digits than its factorization.

45534421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347722.

The product of its digits is 9600, while the sum is 28.

The square root of 45534421 is about 6747.9197535240. The cubic root of 45534421 is about 357.0918510244.

Adding to 45534421 its reverse (12443554), we get a palindrome (57977975).

The spelling of 45534421 in words is "forty-five million, five hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 131 347591 45534421