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45722141 = 349131009
BaseRepresentation
bin1010111001101…
…0101000011101
310012000220222122
42232122220131
543201102031
64311552325
71063426463
oct256325035
9105026878
1045722141
11238997a3
121338b6a5
13961b22a
146102833
15403247b
hex2b9aa1d

45722141 has 4 divisors (see below), whose sum is σ = 45853500. Its totient is φ = 45590784.

The previous prime is 45722111. The next prime is 45722147. The reversal of 45722141 is 14122754.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35450116 + 10272025 = 5954^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 45722141 - 26 = 45722077 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 45722141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45722147) 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, 65156 + ... + 65853.

It is an arithmetic number, because the mean of its divisors is an integer number (11463375).

Almost surely, 245722141 is an apocalyptic number.

It is an amenable number.

45722141 is a deficient number, since it is larger than the sum of its proper divisors (131359).

45722141 is a wasteful number, since it uses less digits than its factorization.

45722141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131358.

The product of its digits is 2240, while the sum is 26.

The square root of 45722141 is about 6761.8149190879. The cubic root of 45722141 is about 357.5818933130.

Adding to 45722141 its reverse (14122754), we get a palindrome (59844895).

The spelling of 45722141 in words is "forty-five million, seven hundred twenty-two thousand, one hundred forty-one".

Divisors: 1 349 131009 45722141